friends table migration

public function up()
    {
        Schema::create('friend_users', function (Blueprint $table) {
            $table->integer('user_id')->unsigned();
            $table->integer('friend_id')->unsigned();
            $table->foreign('user_id')->references('id')->on('users');
            $table->foreign('friend_id')->references('id')->on('users');
            $table->primary(['user_id', 'friend_id']);
        });
    }

home view

@foreach(Auth::user() as $singleUser)
    <li>
        <ul>
            @foreach($singleUser->friends as $friend)
                <li>$friend->name</li>
            @endforeach 
        </ul>
    </li>
@endforeach

User model

public function friends()
{
    return $this->belongsToMany('App\User', 'friend_users', 'user_id', 'friend_id');
	
}