Suggestions?

My fiancé and I have been together for almost a year now and I am curious as to some things I may be able to do to spice things up for him. He is more on the shy side for sex. I find is cute and endearing but I think he feels a little embarrassed about it to a point. I am not his first partner but I am his most serious he’s had. I have been trying to encourage him to be more open about what he wants from me during sex but i think he feels he’s taking advantage of me at times. I of course don’t feel that way and I want him to be encouraged to have full confidence.

Does anyone have any advice or suggestions?