Welcome to Basenotes!
Rush is very capricious, one of them love it or hate it fragrances. Can be heady and cloying, or, on the other end of the spectrum, intoxicating and statement-making. Please give it a chance and test it somewhere in the store when your BF is not around. Of course, your situation is a kind of tricky, but if I were you, I would:
a) make it my own, since different scents behave differently on different skins; or
b) run away from it, fast!
After testing, please report what you like or dislike about it, it would make finding an alternative(s) easier. And while in that store, try something totally different. Good luck!