I'm single but I totally get this.

And that's my fear when I get older (without kids). That the happiness of being single now and not dealing with kids and having more disposable income, etc. etc. will only go so far but that I'll be depressed about being lonely in the future when I am a senior.

I can definitely see how my siblings with kids will be way happier as grandparents.

But yeah, I'm content now without kids cause I get to sleep whenever and my disposable income is enough. lol

Also though, I'm never arrogant in making proclamations that people with kids are miserable.

They might have tough times in the beginning, but the older I get the more at peace they seem as parents.