Me being born because LOL
Biological sex is the gender he/her are naturally born with
1. Normal
2. Excessive
3. Normal
4. Normal
5. Excessive
If it causes you to loose sleep and not do the things you used to or makes you feels sleep then it is excessive but if you feel fine after you do the task the anxiety is about it is completely normal.
I am pretty sure he is likely to be in the excitement stage of the sexual response cycle according to Masters and Johnson. Excitement stage of the sexual response cycle includes increased muscle tension, quickened heart rate and increased bloodflow to the genitals. This situation reflects all these symptoms.