HAVERHILL, MA – JUNE 3: Stephen Barbour of Westbrook lets out a sigh while standing at the crossroads of a hallway at the Serenity at Summit rehabilitation center in Haverhill, Mass., holding his extra pair of sneakers while waiting for a room after being admitted, Friday, June 3, 2016. Barbour has a penchant for sneakers and hats. If he shops, he says, it can sometimes keep his mind “busy” and off the thought of needing to use. (Photo by Gabe Souza/Staff Photographer)

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