HP, What if you asked your H about this? These questions seem like simple curiosity, interest type questions. They're not "What's WRONG with you?!" kinds of questions.
The guys here can provide you with information about them, but I think the one you're really curious about is your H. This is a great opportunity to open up an intimate conversation with your H, where he gets to tell you something about himself and how his body and mind work. It works best if you make sure you ask him out of curiosity and keep your approach in that realm. He may get defensive at first if he thinks it's going to be a "What's wrong with you" conversation. Just let him know that you're really just curious.
Lots of emotional intimacy can develop from this kind of conversation.