Bullet Traxler

Okay, I think what is the best after 8. exd5 is Nd4 with the intension of Bg4 trapping the queen, and after for exaple c3 you can attack the queen with Bg4, white has to play Qa4+, and then after Nd7, your opponent has no good moves because you bring your queen and the king can go nowhere...
All explained here: https://www.youtube.com/watch?v=v1jkj-HPLdw