No judgement pls

I’ve been starting to date this guy for a bit. He did open up to me that he is trans (ftm) and slowly has been opening up about his transition. We are both adults and have had sexual experiences in the past. I have been out as pan sexual for about 6 years. I have not had any other sexual experiences except with a biological male when I was a teenager. I haven’t shared this with the guy I’m talking to now and I’m nervous to even bring up the subject of sex when the time comes. We have been getting somewhat serious. I’m nervous that I’m expected to know what to do and I don’t 😅 I’m also nervous on how to ask what his limits or likes are…