Single mom dating a guy with no kids capable of accommodating nsr
The heroine, like the hero, tends to be much more mature and likable than in All Girls Want Bad Boys; frequently, they've been burned by a previous lover, and generally, they've matured. Any heroine who finds the hero attractive exactly for his more admirable qualities falls under Single Woman Seeks Good Man.
As do brunettes, redheads, Bald Women, little old ladies with white hair and young girls with Amazing Technicolor Hair.
Note that this isn't Always Female as Single Man Seeks Good Woman can certainly be in play. As this trope frequently deals with critical plot details, be warned: HERE THERE BE SPOILERS.
Dating a Single mom is much different than dating someone without kids.
9 times out of 10, playing games with a single mom will only result in you getting kicked to the curb.