>You ought to come to terms with and be content with the fact that your sexual lifestyle choices may prevent you from doing things which are more/most fulfilling.
>but I don't get upset when they say that it's the most fulfilling thing they've done.
You _almost_ got it, there. The former point doesn't align with the latter; what I'm trying to say is that, sure, for you having a child may be the most fulfilling thing for your life, but for others the most fulfilling may be something else.
Remember, their original statement was "Kids are the best, most meaningful thing you will ever do. Its worth it to keep trying." whereas really they should have said something like "Kids are the best, most meaningful thing I have ever experienced. It's worth it to keep trying."
Remember, their original statement was "Kids are the best, most meaningful thing you will ever do. Its worth it to keep trying." whereas really they should have said something like "Kids are the best, most meaningful thing I have ever experienced. It's worth it to keep trying."