Not a lot of jobs as an actor. Even fewer jobs that pay anything worthwhile. Hundreds if not Thousands of people clamoring for any decent work, so lots of competition. Extremely long hours often in less than favorable conditions. A life of constantly seeking approval and being rejected. Mostly likely needing to get an education somewhere else in something else to eat anyway. I think thats enough to get you started. Without blood being spilt, no great art would exist. (couldn't leave you on a downer)
I'd say having the paparazzi follow you every where you go.
The paparazzi is always following you around and everything and it can get annoying.