Sperm donors exist. It doesn't need to be most, or even that many. When I wrote my comment I was thinking of the many young guys that don't want to be trapped i

Sperm donors exist. It doesn't need to be most, or even that many. When I wrote my comment I was thinking of the many young guys that don't want to be trapped into settling down, but I agree when it comes down to it it is a much bigger mental hurdle knowing that the intent is to definitely produce a child.