[heretoo]

The window doesn't close at 39 for either of you. From personal experience, I know.

[mahkeiro]

I have multiple male friends who had kids between 44-46y. So the window is not closed.

[frontman1988]

Men can have kids even in their 90s. Their are some documented cases of even that. It's women's fertility which is often the limiting factor to procreation.