"Where it belongs" is just limited thinking. I'm female amd married to male. "Where it belongs" is where I feel like sticking it for the night. But nothing wrong with a good ass licking for the first act. Sets the relationship in a pretty good light if you ask me.
Her ass has never been the first thing I go for but I always get around to it. I love rimming a nice bung hole, my ex-wife had the most adorable one that I rimmed all the time. If you both enjoyed it than all is well. I hooked up with a girl back in the late 70's (high school) that was known for only doing anal. She was a great fuck and her birth control was only doing anal...I was cool with that.
If she likes it, then keep doing it. Fill her head with compliments when you are intimate with her.... You sexy devil, you're so dangerous. I can't help it, I'm addicted to you. I can't get enough of you. Mmm, you taste so good.
Rimming is quite delicious and has a tendency to work wonders when your tongue is priming and preparing a tight hole for whatever slides in next. I seem to get the same response from women...and men.