People react to a simple suggestion.
A simple idea.
Beer drinker: Let's go to your place, I need a beer!
Max: Just buy your own beer, bum!
Paul: Great, someone likes my beer!
Paul: Ok, cool, I need to make room in the fridge anyway.
New brewpub owner.
Pub owner: Of course my friends don't have to pay here!
Beer drinker: You'll surely have a lot of debt building all this. I'll buy a pitcher of each.