In situations such as this, I find it best to 'pin your ears back, and go for broke'!!!
Look at it like this, if you drink him under the table, it'll be some small revenge for him boinking your wee girl. And you'll be able to extract the urine from him about it for years on top of years. ;-) On the other hand, if you fall over too, you can call it male bonding and go back to secretly hating him for boinking your wee girl.
It's all good.