I saw the signs, but at the time they meant little to me, or I drastically misinterpreted them.The untied shoe laces, the unbuttoned collars on his button-down Oxford shirt, the increasing lateness to work, the apparent lethargy, less enthusiasm for his projects — a definite edge that had been there was absent, as if the interior light of his being hadn’t so much completely gone out but now was dimmed.Then one Monday he didn’t show up at the office at all.