The old man can say what he wants it's up to her to follow her heart or an earnings stream.

I've been in relationships where I made way more money and in some where he made all of it. In the end they all went south. Money had the least bit to do with it. The one thing I've learned is that money can't buy happiness.

Don't worry about it Jim. She'll do what she will do. After all, you have nothing to feel bad about - you got a degree and chose a very admirable profession. So what it doesn't pay a shitload. There are some really unethical job that pay loads of money --- doesn't mean the guy/girl in those jobs are better people. One thing you will always know for sure, the girl that ends up marrying you didn't do it for the money!