I did have another thought....that happens sometimes twice a day....gotta get those meds adjusted, I can only cope with one a day....
Maybe he is worried a little that you are base the relationship on sex? In his inner mind I mean.
He is looking for something real, more than physical and because you are in a highly sexed time (you know that time between 30 and 107 or death) he thinks you are looking for someone who is just more focused in the sack?
These may be waaaay off base but are just thoughts that pop in occasionally