Laughter Is Not Just an External Behaviour

Laughter occurs when we realize that this incongruity can be resolved. Youikeo specifically seek out stimuli to make yourself laugh, just in the same way you would seek out, like, delicious food. It feels good and you want it to keep happening. Usually, pleasure is a biological reward. The brain delivers itself pleasure in response to an activity that provides some kind of direct or indirect benefit to survi a reproduction.