1. Selfie Sticks
2. Not Telling a Friend When They Have Something in Their Teeth
3. Celebrity Gossip
4. Not Picking Up After Your Dogs
5. Satellites
6. Aging
7. People Justifying Froyo as "Healthy"
8. The Mars Rover
9. Gravity
10. Deciding if an Undershirt Will Hide Your Sweat or if It'll Make You Even Sweatier
All images via Thinkstock unless otherwise noted