Stop chewing on the inside of your mouth and you'll stop having ulcers in your mouth.
You had no risk, period. This has nothing to do with HIV.
These are all anxiety related symptoms. You had protected sex and thus you practiced safe sex which means no HIV risk. Relax and stop worrying and all your symptoms will go away.
You had protected insertive vaginal sex. NO RISK AND NO NEED TO TEST FOR HIV.
Oral sex IS a risk for other STD's and while I believe your risk was low considering the duration, the fact remains there was a risk.
I would advise being tested for STD's.
The physical symptoms you're feeling have NOTHING to do with HIV. You could be coming down with a cold or the flu but anxiety can also cause physical symptoms from the stress.
Your not infected Kumar. Don't worry. Move on with your life.