> Buying them supper after would be a given, no bribe required. I think this is actually kind of the point. By offering to provide pizza, you're casually confi

> Buying them supper after would be a given, no bribe required. I think this is actually kind of the point. By offering to provide pizza, you're casually confirming that you're still operating in the paradigm where friends help each other out without looking too closely at the balance sheet, as opposed to offering nothing (awkward) or paying them (turning it into a transaction).