You are delusional if you think Trump would ever be VP. It isn’t going to happen - as I don’t think Cruz is going to be the nominee either. I hope these are the last 2 standing because they are the best of the crop.
I gave that a lot of thought, and I agree that in general Trump is not a fan of the #2 spot. However, this may be a different situation for him. He could do the speeches that he enjoys (he likes them far more than Cruz does) and help to guide policy. I decided that he just might take that spot, where he would never accept second from the top in a company.