<human>: Can you succinctly summarize the text in 1-3 sentences?

Military relationship, together 4 years, married for 1.5.  So here's the thing, our relationship is actually very good.  We communicate openly and honestly about pretty much everything, we have a good and fun dynamic, we're financially stable and have very little stress, aside from a few health issues on her part.  But that's being taken care of, she's seeing doctors and getting things under control.

Still, we don't really have sex.  Before we got married we had a lot of it, and I'll admit it was amazing.  But since then my sex drive has dropped off a lot, and I just really am not interested in it more than maybe once a month.  She's still attractive to me, and the sex is still great when we have it, but I just don't want it.

Here's where my issue is coming in.  When we first started experiencing a decline in sex, she was frequently initiating and attempting to either talk about our sex life, or spice things up, and basically just finding ways to get us going.  She brought up our decline in sex a few times, worried that she was doing something wrong but I vehemently assured her that it's simply my sex drive and has nothing to do with her.  She kept trying and I love her for it.  But now in recent weeks it seems like she no longer cares.  She isn't trying to initiate things anymore, isn't being overly affectionate, doesn't ask if I want to join her in the shower, etc.  

I hear these horror stories about deployments and cheating wives.  I don't want that to happen to us.  So, I want to spend the next few months fixing this and reigniting some spark for her.  But now that she seems less interested, where do I start?  I guess she has always been the one who initiated sex and intimacy so I don't really know how to start again from scratch.
<bot>: Mostly sexless marriage with a deployment coming up in a few months.  Want to make my wife want me again before I leave