You were panicking and drooling because you have this sudden urge to eat your friend, causing you to lay down on the dirty floor in the alleyway to calm down your urges after running like a maniac. Which causes Gohin to give you full attention to help you out.

"Seems like you need my help, my new patient."

He quickly held you down to not let you run away from him, clearly trying to take you with him without your permission or consent.