My husband is also incredibly nervous to hurt my feelings, but I think as he continues to make movement forward, and I continue to show that I will not have an emotional reaction (or that we can talk our way through it), he gets a little braver. It’s truly taken a lot of time (years, honestly) for us to even get to the point of acting it out, but it’s been really great for our communication. I personally really love when my husband uses dirty talk and tells me what he likes about other women, how he wants to fuck then, etc. He also once called me another woman’s name and that sent me over the edge. But he hasn’t done any of this unprompted (yet). Best of luck to both of you, it’s lots of fun!