Because he needed a stool sample.
Because he has his own shoulder to cry on. Edit: all credit goes to /u/Earleebird who posted it in a comment in /r/oldschoolcool
Because he was reaching for a galaxy far, far away.
I hate to be the bearer of bad news, but the results are a bit grizzly.
You don't get a lollipop afterwards :/
Submitting a stool sample.