You should continuously work to enhance your skills and knowledge
Five cardinal signs of an infection should be swelling, high temperature,pain, redness and stuff coming out your body such as pus. :).
Yes almost all of my uncles are in jail so don’t worry U aren’t the only one that feels like that
I’m pretty sure STDs like chlamydia, herpes and hepatitis can be transmitted with ways other then sexual contact such as contaminated food, borrowing unclean towels