diff --git a/src/Laravel/src/DependencyInjection/MoonShine.php b/src/Laravel/src/DependencyInjection/MoonShine.php
index 3cc9ee0f5..d0eb1f7b6 100644
--- a/src/Laravel/src/DependencyInjection/MoonShine.php
+++ b/src/Laravel/src/DependencyInjection/MoonShine.php
@@ -7,6 +7,7 @@
 use MoonShine\Contracts\Core\DependencyInjection\StorageContract;
 use MoonShine\Core\Core;
 use MoonShine\Core\Storage\FileStorage;
+use MoonShine\Laravel\Fields\Relationships\ModelRelationField;
 
 /**
  * @extends Core<MoonShineConfigurator>
@@ -58,4 +59,11 @@ public function getStorage(...$parameters): StorageContract
     {
         return app()->make(StorageContract::class, $parameters) ?? new FileStorage();
     }
+
+    public function flushState(): void
+    {
+        parent::flushState();
+
+        ModelRelationField::$excludeInstancing = [];
+    }
 }
diff --git a/src/Laravel/src/Fields/Relationships/ModelRelationField.php b/src/Laravel/src/Fields/Relationships/ModelRelationField.php
index 969326f62..25c12ced1 100644
--- a/src/Laravel/src/Fields/Relationships/ModelRelationField.php
+++ b/src/Laravel/src/Fields/Relationships/ModelRelationField.php
@@ -43,6 +43,8 @@ abstract class ModelRelationField extends Field implements HasResourceContract
 
     protected bool $isMorph = false;
 
+    public static array $excludeInstancing = [];
+
     /**
      * @throws Throwable
      */
@@ -76,7 +78,7 @@ public function __construct(
                     ->singular()
                     ->snake()
                     ->append('_id')
-                    ->value()
+                    ->value(),
             );
         }
 
@@ -89,11 +91,27 @@ public function __construct(
         }
 
         // required to create field entities and load assets
-        if ($this instanceof HasFieldsContract && ! $this->isMorph()) {
+        if ($this instanceof HasFieldsContract && ! $this->isExcludeInstancing() && ! $this->isMorph()) {
+            $this->excludeInstancing();
             $this->getResource()?->getFormFields();
         }
     }
 
+    public function excludeInstancing(): void
+    {
+        self::$excludeInstancing[$this->getExcludeInstanceName()] = true;
+    }
+
+    private function getExcludeInstanceName(): string
+    {
+        return class_basename($this) . $this->getRelationName();
+    }
+
+    private function isExcludeInstancing(): bool
+    {
+        return isset(self::$excludeInstancing[$this->getExcludeInstanceName()]);
+    }
+
     /**
      * @param  ?class-string<ModelResource>  $classString
      * @throws Throwable
@@ -112,13 +130,13 @@ protected function findResource(?string $classString = null): ModelResource
                     ->singular()
                     ->append('Resource')
                     ->kebab()
-                    ->value()
+                    ->value(),
             );
 
         if (\is_null($resource) && $this->isMorph()) {
             /** @var ModelResource $resource */
             $resource = moonshine()->getResources()->findByUri(
-                moonshineRequest()->getResourceUri()
+                moonshineRequest()->getResourceUri(),
             );
         }
 
@@ -127,9 +145,9 @@ protected function findResource(?string $classString = null): ModelResource
             function (?ModelResource $resource): void {
                 throw_if(
                     \is_null($resource),
-                    FieldException::resourceRequired(static::class, $this->getRelationName())
+                    FieldException::resourceRequired(static::class, $this->getRelationName()),
                 );
-            }
+            },
         );
     }
 
@@ -156,15 +174,15 @@ protected function resolveFill(array $raw = [], ?DataWrapperContract $casted = n
 
         if ($this->isToOne()) {
             $this->setColumn(
-                $this->getRelation()?->getForeignKeyName() ?? ''
+                $this->getRelation()?->getForeignKeyName() ?? '',
             );
 
             $this->setRawValue(
-                $raw[$this->getColumn()] ?? null
+                $raw[$this->getColumn()] ?? null,
             );
 
             $this->setFormattedValue(
-                data_get($data, $this->getResourceColumn())
+                data_get($data, $this->getResourceColumn()),
             );
         }
 
@@ -185,8 +203,8 @@ public function toFormattedValue(): mixed
                     $this->getFormattedValueCallback(),
                     $value ?? $this->getRelation()?->getModel(),
                     $this->getRowIndex(),
-                    $this
-                )
+                    $this,
+                ),
             );
         }
 
diff --git a/src/Laravel/src/Traits/Fields/BelongsToOrManyCreatable.php b/src/Laravel/src/Traits/Fields/BelongsToOrManyCreatable.php
index 20ee439da..7cd9c48c4 100644
--- a/src/Laravel/src/Traits/Fields/BelongsToOrManyCreatable.php
+++ b/src/Laravel/src/Traits/Fields/BelongsToOrManyCreatable.php
@@ -7,6 +7,7 @@
 use Closure;
 use MoonShine\Contracts\UI\ActionButtonContract;
 use MoonShine\Laravel\Buttons\BelongsToOrManyButton;
+use MoonShine\Laravel\Fields\Relationships\BelongsToMany;
 use Throwable;
 
 trait BelongsToOrManyCreatable
@@ -43,6 +44,10 @@ public function getCreateButton(): ?ActionButtonContract
             return null;
         }
 
+        if ($this->getParent() instanceof BelongsToMany) {
+            return null;
+        }
+
         $button = BelongsToOrManyButton::for($this, button: $this->creatableButton);
 
         return $button->isSee()
diff --git a/src/UI/src/Fields/FormElement.php b/src/UI/src/Fields/FormElement.php
index 71296f84b..223aaed53 100644
--- a/src/UI/src/Fields/FormElement.php
+++ b/src/UI/src/Fields/FormElement.php
@@ -73,6 +73,8 @@ abstract class FormElement extends MoonShineComponent implements FormElementCont
 
     protected static ?Closure $requestValueResolver = null;
 
+    protected ?Closure $onRequestValue = null;
+
     protected ?string $requestKeyPrefix = null;
 
     protected bool $hasOld = true;
@@ -520,18 +522,40 @@ public static function requestValueResolver(Closure $resolver): void
         static::$requestValueResolver = $resolver;
     }
 
+    /**
+     * @param  Closure(mixed $value, string $name, mixed $default, static $ctx): mixed  $callback
+     */
+    public function onRequestValue(Closure $callback): static
+    {
+        $this->onRequestValue = $callback;
+
+        return $this;
+    }
+
     public function getRequestValue(string|int|null $index = null): mixed
     {
         if (! \is_null(static::$requestValueResolver)) {
             return \call_user_func(static::$requestValueResolver, $index, $this->getDefaultIfExists(), $this);
         }
 
-        return $this->prepareRequestValue(
+        $value = $this->prepareRequestValue(
             $this->getCore()->getRequest()->get(
                 $this->getRequestNameDot($index),
                 $this->getDefaultIfExists()
             ) ?? false
         );
+
+        if ($this->onRequestValue instanceof Closure) {
+            return \call_user_func(
+                $this->onRequestValue,
+                $value,
+                $this->getRequestNameDot($index),
+                $this->getDefaultIfExists(),
+                $this
+            );
+        }
+
+        return $value;
     }
 
     public function getRequestNameDot(string|int|null $index = null): string