People thinks Steve Vai stuff is so hard , but after learning some John Petrucci stuff , i didnt find it that hard, I think Steve Vai songs are not too hard technically , the hard part is learning and memorizing the hole song.
There are nuances you clearly aren't understanding.

Something else you aren't understand is the use of this forum.
Don't tell me what can not be done

Don't tell me what can be done, either.

I love you all no matter what.