Why are you with a guy that you are not in love with or attracted to? Break up with him and move on. Simple as that.
^ Well, it is telling the OP doesn't answer that question. And that while it can make all the difference in giving some solid feedback. Experience learns us forummers that they either got together for the wrong reasons on which OP does not really want any criticism or it is simply a fictional scenario and OP's running out of creativity.