Urban Climbing solves everything.
Now I have a scraped knee and left hand, a bruised right hand, soaked and dirty pants, numb fingers and am blissfully happy despite. I had laughter, terror, adrenaline, muscular exertion, comraderie, and even a bit of shame at rebuke. Conclusion: the external features of the college building are therapeutic if used properly with people who know what they are doing. (Don't explore the conditional statement in that sentence too closely.)