"Yes," he nods a little and then pulls the strap of his bag off over his shoulder, moving to set it on a spare chair near the wall. "You know, it's the little things. Not just bein' back in the schoolhouse or the idea of teachin' students again..."

Doc approaches the blackboard and touches the sill and the white dust with his fingertips.

"Watchin' the boys writin' their letters and the smell of chalk just brings it back," he admits, before he claps his hands together and brushes them off.