[anon2020dot00]

Simple answer is that a lot of people enjoy having kids around. Most people would rather be living with a loving wife and kids especially in their fifties or above instead of living alone or with just a husband/wife; I say most since of course there are exceptions.

For a person in twenties or thirties, kids are often a far off idea since happy to just focus on work and gain independence and having money but source of satisfaction change I would think for most as they get older.

[agent008t]

But yet, if you do have children, you would do it precisely in your 20s and 30s. So by the time you are 50 you will still be living alone or with just a husband/wife.