Look for those little things that he does that do show you that he cares it may not be sex or exactally your LL. If you can see that he does these things really learn to apreciate these hopefully you can feel less desperate.
Its going to take time and alot of effort to get through this no matter what. Always remember that this is your choice to be in this situation, you are not a victim you just choose to stay in a difficult position right now, hoping that it will get better.
Baby steps.... b a b y s t e p s
Hand on the arm. A peck. Back off don't smother. Growth will not be smooth. Oneday he may hold your hand another not. That's a reflection of him not you.
There are alot of books to read and alot of ideas out there. Read a bunch then forget most of it if you can.