The shopkeeper says "I'm not selling you that, I've seen you sitting down the park and I know you're an alkie. You'll just drink it."
The bloke says "no, I've just started my own decorating business and I need it for my work. People won't let me forget I used to be a drunk. I've turned my life around, but I'll always be seen as that drunkard, no matter how hard I work"
The shopkeeper says "I'm so sorry. Alright, here’s your bottle of meths."
The bloke says
Spoiler:

