Does bae love reading? If yes, then getting him/her a book (romance especially) would likely be the best gift to get ’em during this period.
You can get him/her a novel written by their favorite author or a genre of literature he/she adores.
You know, getting one’s passion as a gift from someone you love, leaves you with this beautiful feeling. That is exactly the way they’d feel when they get this kind of gift from you – bae.