Don't climb on that, don't break anything, don't be so aggressive, don't be so noisy, don't be so messy, don't make such crazy risks. But God's design - which He placed in boys as the picture of Himself - is a resounding yes. Be fierce, be wild, be passionate.
Wild at Heart Field Manual: A Personal Guide to Discover the Secret of Your Masculine Soul (ed. Thomas Nelson Inc, 2002) - ISBN: 9781418535605