DFE, to me, it's all about trial and error with the affection. I don't think it would hurt any to try a few more things, like a nice text to him or giving him a hug. Start slowly and see how he reacts! Like my DB coach told me, test and check. If it is working, and eliciting a positive response, keep doing it! If not, back away again. It sounds like the last time you reached out to him there was a positive response, so why not try again, but just start slowly.
M: 8 yrs T:14 Twins:7 S:5 BD:'NLILWY': Feb/2013 Mar/Apr/May: MC June: "living in limbo" Sept 12: H moves out Oct 20: reconciling Jan-Feb 2014:MC Feb 2014: separating, and H moved out.