We still attach a lot of importance to the manipulation of sex hormones. We just do it in a better way now. And in truth, being able to go through something li

We still attach a lot of importance to the manipulation of sex hormones. We just do it in a better way now. And in truth, being able to go through something like a "second puberty" could be good. We might today not like the exaggeration of sexual characteristics -- if anything we prefer childlike androgyny -- but some of the other things that happen during puberty -- brain development, increases to bone density -- could be useful.