lectraplayer:
I think I would consider trying to openly get him to play with my belly and other fat places if I were in your shoes, and try to encourage him since you know he obviously likes your thickness. Even ask him straight up about it. If he gets flustered, that'll tell you a lot right there. >.>
LovelyLava:
I actually have been! My belly has gotten so sensitive.
I say go ahead and be aggressive about it. Demand some food or get some rubs and see what he does. Take it from there