The first thing in this thread to make me squirm in discomfort.

escape into the scrotum

No, they do not. They never leave the epididymis.

I meant he could get a vasectomy and have unprotected sex with his SO while still having safe sex with other people, but I guess it’s just how it was negotiated.

Ooohhh, your wife won’t have unprotected sex b/c of the other partners. I figured you’d at least be able to be fluid bonded with your SO.

You can still use condoms with men…?!

Sounds like permission.

After I got mine I would tell people, “Whatever happens 500 years from now, it’s not my fucking fault.”

Got one in my early 30s. Wish I’d done it sooner! It’s a scary step to sterilize yourself, even if you’re sure you never want kids, but not only have I had no regrets, my appreciation continued to grow to this very day. I swear, any man without a vasectomy is a damn fool. Even if I wanted kids, knowing what I know now, I’d STILL have gotten one even sooner and tried to foster and adopt instead.