Of course he doesn't need her money anymore than she needs his. But, I believe that he wants what she offers to him as a team....much more money and possibilities for money....the same as she. And with that said, if you want something of that magnitude, you don't put it in danger by messing with someone of a lesser caliber who can't do what your current does. Period.
Look at what he has with Beyonce in terms of business deals because of their hip hop "Camelot" status and imagine that with Mya.....not a chance.
That's the epitome of backward hustle. But then again, n#ggas do specialize in backward hustle, so......
Peace