How to tell if a cat is planning on killing you:
1. Kneading on you
2. Excessive shoveling of kitty litter
3. Staring contests
4. Bringing you dead animals
5. Throwing up grass
6. Hiding and watching you
7. Sleeping on your electronics
8. Pawing at your face while you sleep
9. Sprinting at light speed out of any room you enter