When you get back in the bed expect one of two things. She will either go sleep somewhere else or she will sleep so far over on her side of the bed
Make sure to get in bed before her. Read a book.
If she sleeps some place else, I would go out the next day, buy a "Manly" bed set. Maybe a Harley poster for the wall. Any questions get the "I decided I like this better" response. Then shut up.
"What is best for my kids is best for me" Amor Fati Link to quotes: https://www.divorcebusting.com/forums/ubbthreads.php?ubb=showflat&Number=2879712