How about:

1) Be a musician yourself.

2) Don't assume that no male musician takes his marriage vows seriously. Faithful musicians are like quiet, tasteful banjo players - they exist, they just don't get credit for existing because the other kind get most of the attention. Go back and listen to Stan's song, You Can't Stay Here. I assume he meant it.

3) Make his not giving up his day job a condition of your not giving up yours.

Peter.