Sitting at the downstairs computer right now I can hear a battle going on the back garden. I'm choosing not to get involved. Lots of yelling... "hey!!! ouch!! now I'm gonna punch you twice" "hands downor I'm not gonna be your friend"
5 seconds later... they're laughing and giggling and chucking the water ball at each other. I now have two wet and kinda tired kids to get into the bath before dinner.