Originally Posted by Yuri The Commie
lol, thats BS! Your balls sag more if its hot, less if its cold. Boxers dont matter.
Yup, 'The Godfather' is right (as he is most of the time). Your testicles sag becaue of the heat (it's summer, remember!), as they need to be a bit cooler to produce sperm. And they're probably growing, so they seem bigger ('Saggier').
Underwear has no effects.