Age gap relationship advice

Hi im f19 and im dating m34. i feel that our age difference and experience difference is causing me to feel insecure. i do all the sexual things he likes and i like them too (except anal, still working on that) but i feel like he needs more, because he has done more things in the past. so like he likes things that he’s done with other that i haven’t yet done with him. my question is, i am pretty open to trying things in general, so should i continue to try the stuff he brings up? or is his experience just something that will always be different between us? he’s brought up things like threesome and sex while im sleeping, he’s never done anything to me without consent but i feel like i know he brings it up bc he wants me to do it.

any thoughts? (dms are open)