My m/f romances with explicitly childfree HEAs, in case that's something you want: Not Another Family Wedding Her Favorite Rebound Her Unexpected Roommate The Stand-Up Groomsman Three Reasons to Run

I know m/f = male and female, but my brain does still suggest "motherfucking" as a good option. (Hurray for childfree HEAs!)

Doing the lord's work I swear

you are now my friend... you don't get to pick... sorry.