hangs head in misery

Posture of the head showing its crown with the chin to the chest. The head may be hung to one side. The posture denotes a spiritual, emotional, mental or physical state of distress.

Hangs head in misery:
She ditches him in his third year and he hangs his head in misery at the table and in class... Best gift ever! That bitch's cunt stunk like a fish processing plant.