grey‘s anatomy.S6E09.NEW HISTORY
Alex says she didn't give him the benefit of the doubt, made a conclusion, and just went away. He can't forgive her either, he says.

The Chief, finally, concedes that he's exhausted, hands over all his surgeries to Bailey, after botching an otherwise routine surgery.

There's a Chief montage while he's drinking, and he really does appear under the influence. Poor guy