Single mom = literally raising the child by herself. If the father is in the picture handling his business then she is a mother who is single not a single mom. With that being said I normally just fuck them and duck them, but then again I do that with all females so don't take my word for it.
I'm 23 and the woman I'm talking to now is 31. Pretty much I only date older women, but don't believe the hype; just because they are older does not mean they aren't going to be a fucking headache because they fucking lied to you about that shit.