Too quick?

Hi guys! I hope I'm allowed to post questions like this. But anyways, I almost always bottom and I enjoy it/am good at it/whatever. I also am fine with topping, but I'm not very good at it. I don't know what it is, but when I top (and only in that situation) I come way too quickly. I think it's because I essentially never do it and am not used to it.A guy I'm dating is vers as well and wants me to top which I'm happy to do, but it's super embarrassing to come so quickly. Do any more experienced tops have advice for lasting longer? Thanks guys 😅