I think I'm going to pour a drink on my mate's girlfriend.
Why would you do that to your friend's girlfriend?
Because she is difficult to deal with, I know if I pour a drink on her she will leave me alone.
That is a very rude way of treating your friend's girlfriend. Try to be nice to her, your friend cares about her.
Wtf. Why should I listen to you?
I'm just saying that you shouldn't pour a drink on her. She and your friend may both get really mad at you for doing that.