I don't think it will be pure shit, no, but at the point I can't physically do fun things anymore (whenever you think that will be) there really isn't much let to DO which means your relationships are going to be clutch. And the longer the relationship the more meaningful (generally), so having kids seems like a strong enhancement.

I don't think it's binary "sucks/not sucks", but I do think, for me, it'd clearly be sig LESS fun to be old without kids based on what I've seen of the older people in my life with different family situations. Seems shitty to me.

I'm sure there are people who have the opposite experience, but I was trying to explain why the "sacrifice" of prime years can be seen as an investment rather than a straight loss.