http://www.slate.com/articles/health_and_science/science/2010/03/why_do_we_tickle.html
Found this online, thought you guys might like to have a look.
Found this online, thought you guys might like to have a look.
Adolescent chimpanzees laugh frequently during rambunctious play, leading some to believe that tickling may have been the original primate dominance game—making a tickle fight between a congressman and his poorly paid underlings particularly apt.
Why we tickle? Cause we enjoy it. Nuff said. :lol