public function up()
    {
        Schema::create(‘user_question‘, function (Blueprint $table) {
            $table->bigIncrements(‘id‘);
            $table->integer(‘user_id‘)->unsigned()->index();
            $table->integer(‘question_id‘)->unsigned()->index();
            $table->timestamps();
        });
    }

<?php

namespace App;

use Illuminate\Database\Eloquent\Model;

class Follow extends Model
{
    //
    protected $table = ‘user_question‘;
    protected $fillable = [‘user_id‘,‘question_id‘];
}

   /* public function follows($question)
    {
        return Follow::create([
            ‘question_id‘   =>$question,
            ‘user_id‘       =>$this->id
        ]);
    }*/
   public function follows()
   {
       return $this->belongsToMany(Question::class,‘user_question‘)
         ->withTimestamps();
   }
   public function followThis($question)
   {
       return $this->follows()->toggle($question);
   }
    
    public function followed($question)
    {
        return !! $this->follows()->where(‘question_id‘,$question)->count();
    }

    public function followers()
    {
        return $this->belongsToMany(User::class,‘user_question‘)
          ->withTimestamps();
    }

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;

class QuestionFollowController extends Controller
{
    public function __construct()
    {
        $this->middleware(‘auth‘);
    }
    
    
    //
    public function follow($question)
    {
        Auth::user()->followThis($question);
        return back();
    }
}