Give them a chance
The first few years are so knackering, the idea of going out clubbing is just inconceivable. But it gets easier, especially if you have them young. I agree with comments above that people get into a weird puritan morality about it, and that's silly, but once they get to school age there's much less standing in your way.
But it's also just that the things from your old life seem less important. After all, let's face it, one of the main reasons to go out clubbing is to look for sex. You do get a sense of 'I've done that now', and they just don't seem interesting any more. Speaking just for me here (admittedly, I was never much of a clubber before)
(edit: just realised you're talking about years before children. None of the above comments apply...)
( flatfrog Staring vacantly into space, Fri 27 Jun 2008, 13:26, Reply)