In california, don't ever stop to give someone a hand.

http://www.latimes.com/news/local/la-me-good-samaritan19-2008dec19,0,4033454.story

Californina supreme court rules that the good samaritan law does not protect people who volunteer to help someone in danger, except in the narrow confines of a licensed medical profesionall renering uncompensated emergency medical care within the limits of their license.

One more reason that I never want to even visit california.