+100 andrew. I told that to my brother-in-law who had it done in his 20s. I said "no ill wishes to my sister, but if something were to happen and you had to start anew with another person, or had a change of heart .... ".
As for myself, unless I developed cancer "there" and my life was in danger, no messing with the nuts. Humans don't come with spare parts, everything's there for a reason. Let the flames begin !!!