Assuming you are friends you already know if he has the moral flexibility if he does. If he does then I’d say just start to get more touchy with him when hanging out bc if he’s quite that probably doesn’t happen to much. Bro might go feral if it’s been awhile too. Then just start saying flirty things. Maybe just like seduce the fuck outta him alone idk. Men are generally pretty down to fuck so like, shouldn’t be all that hard fam
Feminine ego. She wants it, but she needs him to be the one who wants it because it that puts her in a position of leverage over him to say yes or no to him. If she asks, then she’s in the position of weakness and he’s the one with deciding power. This is how female power dynamics work.