Most guys avoid dating and having relationships with single mothers partly because if their children recognize the guy as a father figure or a stepfather and they finish the relationship the man may be on the hook to pay child support for children that are not his( I think this is unfair)

There are several threads here on Reddit about guys warning other men to avoid single mothers because of the law that say a man need to pay child support to a socioaffective child.

But I am sure there are other reasons besides the issue with child support. What are?