" He stopped at an intersection, panting, rubbing at the twinge in his hamstrings, looking around, though he knew no cars were coming in either direction.
Dropping forward at the waist Martin admitted that he was fucking himself up. Dr Leonowsky told him: hurting yourself is an articulation of self-disgust. It helps no one, prevents nothing. This wasn’t a glorious loss of control, he was fooling himself, it was self-harm. "

― Denise Mina , Gods and Beasts (Alex Morrow, #3)