I wouldn't because no matter who or what I would always have tons of second guesses because I would never be able to see them all and know what they have done. If you had a chance would you join your countries armed forces? I would but I'm not old enough.
A shaved head as it would feel weird to have a weight right in the center of my head that was like 4-5 inches tall. Would you rather have super speed or super strength?