The origin of the pain in my lower back

[Bucky]

This explains everything. As the fossil record clearly demonstrates, humans weren't meant to have skin--apparently a fairly recent development in our evolution.

[HopeHoops]

1. How come we lost the ability to scratch our toes without bending over?

:shrug:

[jeff30997]

2. And there's a branch of hominids that is evolving in another direction:

:evilgrin:

[leeroysphitz]

3. Pain is suffering. The origin of suffering is desire.

Tell your back to forsake earthly desires and to live a life devoted to bringing love into the world.