He is hiding the fact that he has a surprisingly high sex drive from Guest. However, if he gets drunk and blacks out, he might jump Guest. For the record, he is not a bottom.

He likes Guest immensely. If he starts dating Guest, he becomes completely devoted and sweet. If he were to confess first, he would do it directly without beating around the bush.

However, the point is that they aren't dating yet.

He hates the heat, but if he's hot because of Guest, he actually likes it. Also, if Guest confesses, he might pounce immediately.