It might be possible, but very unlikely.
No. Sperm cannot survive outside the body for long
They don't. It's not underwear, it's simply part of their outfit.
U have to go outside and take off your underwear and bra and have sex outside
no she ran outside naked without underwear and without bra
Thermal Underwear
Yes, most people do in jail just as outside.
boyfriends and girlfriends do have to be in school. it would be better but you can still see eachother most of the time outside of it if you are both commited to eachother.
Different men wear it differently. Oftentimes the jock/cup replace the underwear entirely. Otherwise the jock would typically go outside underwear, sliding shorts, etc.
24-7
no
yes
What the President wears as underwear should not have any great symbolic meaning to the US public, unless he decides to wear it on the outside of his trousers.