Just that, really! A mom of multiples popped up on my TikTok and she was lamenting about how her children are getting older amd she desperately wants more but her friends aren't having children yet.
I think it's nice if it works out like that but can't imagine actively planning my family around them?
Perhaps I'm missing something. There are large gaps between my sons and my friends' children, but they do have cousins close in age.