Well, most bass players prefer a cucumber wrapped in tin foil. Just make sure you lose it before you fly. Sincerely,
I'm another one of those guys that had always worn briefs (the "tighty whities") and at the request of the wife/girlfriend started wearing boxers. I don't wear them during the day - don't like the loose feel at all for such a long period of time. However, I will wear them so often at night while sleeping. It still has taken quite a bit of time for me to get used to them. Looks like I need to check out boxer briefs.