Dust,smoke (i have weak lungs by birth)
ants,dinosaurs,my dad (childhood trauma)
commission based stuff (time limits, quotas)
self idiocy (explanatory)
Well, I do know that I'm allergic to penicillin. I break out in a slightly itchy rash. Also I'm always getting a damn runny nose around spring and fall due to all the pollen in the air. That's about it as far as actual physical weaknesses.
Being a friend when someone needs it (only a weakness because it gets me friend-zoned) and confrontation. I don't really like having issues with people. cigarette smoke gives me headaches.