"Well that's- better than the unknown." It was already 'a lot of black and nasty' for Matthew, with and without the water. He just had to drag his feet carefully to try not to step on any of that shit, and he'd have to pat himself down thoroughly to make sure to get rid of the leeches. Potable water was at the end of a sewer was more appealing than 'I ain't been to the left yet'.
"Thank you for your help sir. You've been very kind." And for even considering giving Matthew a decent way out. Most people wouldn't have offered. Matt still looked uncertain as he wiped his hand down his pants again and moved to stand.
"I hope it works out. Whatever's on the left. I'm sorry this happened to you."