title: laravel model morph to itself and other models
body: <p>i'm in misunderstanding concept of laravel elequent models
  i have an  model called Article that has a table with columns </p>
  
  <pre><code>        $table-&gt;bigIncrements('id');
          $table-&gt;string('title')-&gt;nullable();
          $table-&gt;string('slug')-&gt;index()-&gt;nullable();
          $table-&gt;string('feature_image')-&gt;nullable();
          $table-&gt;text('intro')-&gt;nullable();
          $table-&gt;text('content')-&gt;nullable();
          $table-&gt;string('seo_title')-&gt;nullable();
          $table-&gt;string('seo_meta')-&gt;nullable();
          $table-&gt;string('seo_keywords')-&gt;nullable();
          $table-&gt;smallInteger('state')-&gt;default(0)-&gt;index();
          $table-&gt;string('lang')-&gt;default('fa')-&gt;index();
          $table-&gt;softDeletes();
          $table-&gt;timestamps();
  </code></pre>
  
  <p>also a product model with name products with some columns
  i want to have related articles and products for each article and product model
  i mean i want to save related articles for an article when i'm creating a new article record , same for products
  any hint would help.</p>
  
  <p>what about if i just want to have related articles of an article ?</p>