A refutation would involve an exhaustive analysis of every possible permutation of moves Pacifique. What amuses me is your considerable, self-confident naivite and also of course, your charm.
So you are unable to refute it. What amuses me is your arrogance taking into account that you are obviously weaker player.
The two candidate moves that spring to mind after Ne7 are Bg7 and d3. I've played both and won with both. I don't think I've been defeated by 5 .... Ne7.
6.Bg2 Ng6
6.d3 is impossible move.