'What motivates the male of the species. Phillip spends his days studying primate behavior. His specialist subject? The Gorilla, man's second closest cousin. He need not look far for inspiration. His father, Robbo, is 55 going on 16 and will forever be "one of the boys", his brother-in-law Dave has lost his sex drive since his wife's promotion; and his best mate Rex seems determined to prove his virility by pursuing anything that moves. With role models like these, what's a boy to do when he meets a nice girl? Will he rise above the monkey business and woo her like a gentleman? Or does he employ gorilla tactics to land his mate? Will he emerge as a champ, chump or chimp?