Laurence Olivier said in an interview once that when he plays a tragedy he always aims for the funny parts and the other way around. Because in a comedy you look for what's serious. I think that's true. Sometimes things are really funny if you're absolutely earnest. If you're really serious it's hilarious.
In a tribal organization even in time of peace service to tribe or state predominates over all self seeking in war service for the tribe or state becomes supreme and personal liberty is suspended.