Its a standard way to do POV in romance books so yes, a lot of books have it. I'd say it depends on the genre and your personal goals with the book as far as advisable. If your main goal is market success, and switching POVs is really atypical in your subgenre, then its a potential risk.
In my opinion, a lot of this doesn't significantly impact the genre. Here are the things that do impact genre:
Settings are either Modern (2010s?) or a historical setting (like Rome or WWII).
Characters are usually magical in some way, sometimes immortal and all.
Little or not romance -...
Sounds like contemporary literary fiction? Which is, in a sense, the absence of genre, although these days you see many literary fiction authors blending it with genre. Likely to make them more marketable.
Hello, I'm a member of the old forum (under a different username). Took a multi-year break, but I'm back!
I've been self-publishing for about six years and am currently pursuing a graduate degree in creative writing. I hope to become a professor in the future and try my luck at traditional...