They're still friends, but that actually makes it even more complicated...

Q1:

My wife (35F) and I (39F) have been excitedly exploring our options for starting a family. She will be the one carrying the child. Since insurance won’t cover it and sperm banks are incredibly expensive, we’ve been considering at-home insemination with a known donor. My brother had to decline for now, as he and his wife are focusing on starting their own family. I’ve been open to finding a donor through Facebook, but my wife wasn’t thrilled with that idea.

Then, she came home one day with what she thought was the perfect solution: her ex-boyfriend. They dated in college a decade ago, they’ve remained close friends (he was even a “bridesman” at our...