"Yeah, totally." Wait. Double check. He glances over his shoulder and peers down the curve of his side, and the temptation to joke about his butt not freezing off is oh so alluring, but he opts for maturity over humor. This is a concerned stranger, after all.

"Seriously. Someone should, like, write one or something." Or develop a nifty app for figuring it out, like a gps...for portals to your home.