Evolution: Something Went Wrong.

Wisdom teeth, tonsillitis, the need for glasses, hair that's utterly useless in providing warmth or protection, appendicitis, ingrown toenails, hands that require lotion to not dry up and bleed, cracking knuckles and other joints, having to wipe every time, and a useless bit of penis the removal of which improves everything. Just a few mind-boggling and irksome qualities of the human body. Now try to come up with some on your own. (I imagine women will have plenty to say here.)