MODEL
class Complaint extends Model
{
    use CrudTrait;

    protected $table = 'complaint';

    protected $primaryKey = 'id';

    public $timestamps = false;
    protected $fillable = ['title', 'body', 'visibility', 'created_date', 'updated_date', 'valid', 'User_id', 'Diagnosis_id', 'insurance', 'Geo_id'];

    public function user()
    {
        return $this->belongsTo('App\Models\User', 'id');
    }

//    public function symptoms(){
//        return $this->belongsToMany('App\Models\Symptom', 'complaint_symptom', 'Complaint_id', 'Symptom_id');
//    }

}

CONTROLLER
 public function index()
    {
        return view('admin.complaint.index', ['complaints' => Complaint::paginate(10), 'count' => Complaint::count()]);
    }

VIEW
 @foreach ($complaints as $complaint)
                    <tr>
                        <td>{{ $complaint->id }}</td>
                        <td>{{ $complaint->title }}</td>
                        <td>{{ $complaint->user->email }}</td>
                        <td>{{ $complaint->created }}</td>
                        <td>{{ $complaint->visibility }}</td>
                        <td>{{ $complaint->valid }}</td>
                        <td>1</td>
                        <td><a href="{{ route('complaint.edit', $complaint->id) }}">Edit</a></td>
                    </tr>
                @endforeach