The whole body is affected by one hair.

Sherry just sat there, twiddling her fingers back and forth, in a wanton imitation of Monica's usual appearance, when suddenly a thought that shouldn't have crossed her mind.

Is it possible that Monica is sometimes sober, but she doesn't want to face everything around her, so she deliberately acts like she's 'crazy'.

As soon as the idea popped up, it was overwhelming.

All she could think of was how Monica had looked at the Henry ...