Why do you know so much about your friend's life. I mean, how paying the bills is divided is fairly personal information.
I smell a "Oh hey thanks for paying for everything. I think we should see other people" incomming.
If they wuv each other the rest will fall into place. It happens on desperate housewives all the time, I know my shit.
He should be glad she is going to earn her own money and contribute to the household! Who the fuck cares who earns the most? Must be pretty awesome to have a job that earns good cash, even better if your spouse also earns a lot!
People have such petty 'problems' these days.