Sweat drips down the rolls of his forehead as his fingers gripped the cane tightly, making a hissing noise as he took another step.

“I’m fine,” House repeated constantly, although he’s said it so many times that the words don’t make sense anymore.

Rubbing his forehead with his fingers, he lets out a shaky sigh, slamming his cane on his desk.

His fingers are shaking more than he can control, so badly that he can barely hold up his pen. It’s getting worse, and he doesn’t know what to do.

Withdrawal symptoms.