Roleplaying

So my boyfriend wants to try roleplaying tomorrow but since I’m very vanilla with sex I’ve never tried it before, I tend to be kinda shy when it comes to sex which I know can definitely be a turn off since most guys like their girlfriends to switch it up sometimes but oh damn well 🤣 anyway I just wanted a little advice on the subject since I’m very new to it and really wanna give it a chance to spice things up some. We have some cuffs so I’m assuming we could do a robber cop situation, or something along those lines, but I’m horrible at dirty talk and get embarrassed easily so whether this is for me or not is kinda the question lol, any advice helps!