Sorry, I got caught up in my novel there and forgot to address the responses I meant to.
Ciel, I've found just making my feelings known has improved my sex drive a bit, but it's kind of up and down with how things are going in general and how optimistic I'm feeling about the situation.
Kevin, I'm looking for some local groups. I tried taking him to a local kink group back when we first started dating. He didn't really enjoy it, but I think now he's got a bit more motivation to want to be involved. I don't know that there's anything specific missing, other than maybe just novelty. He's a pretty simple guy when it comes to sex.