Up to scratch

He scratched at his forearm, lightly at first, then increasingly harder, stretching it, almost trying to tear it off. He started scratching himself all over his body. Wherever he scratched, he started to itch. The more he itched, the more he needed to scratch until he started to itch all over, incessantly. It was unbearable.

The intensity of itching increased all over his body. No part of him was unaffected. No part of him would remain unscratched. Every scratch would beget even more intense itching.

Worries of wrinkliness and sexual frustration replaced by an acute need to stop the itching.