Doodle,
If I'm not mistaken, I think one of the reasons why castrated males tend to have a longer life is they're far less likely to engage in risky and dangerous behavior.
Sarah,
The dark side? You know I made Darth Vader's theme song my ringtone last week.
If you tried to cut if off yourself, you could bleed to death.
As far as heart risk goes, my father and his father both died of heart related diseases. If pursuing NBE stops me from suffering the same fate, that's all the more reason to grow breasts.
My mom has expressed concern about the same happening to me. I have wondered if she ever found out my pursuit of NBE she would rationalize it as some bizarre attempt to lower my testosterone levels to the point I don't have to worry much about dying a premature death from heart disease.