1. Noise. Especially at restaurants.
3. How lazy today's teenagers seem to be compared to us, especially considering how EASY they have it.
4. People spouting uneducated, inflamitory political rhetoric.
5. Older people who refuse to use basic technology.
6. The wasy people gather in a mass swarm to get on a plane, then take forever getting off the plane.
7. A false sense of entitlement.
8. Chronic lateness... especially without an apology.