The former really reminds me of Fight Club, probably because I read it recently, but I they kept that part in the movie too, I'm pretty sure...
The latter, well...
At least he won't be passing his stupidity down to anyone else now (well, he probably will, because they'll like do some stupid new experimental transplant for him or something and he'll get his penis back. But you know, if he'd just hurried up and bled to death before anyone could get to him, he could have won a Darwin Award for sure...