Playing with each other is fun particularly when you can make your sibling scream and cry. Those sharp little teeth show no mercy.
Right now it's mostly misjudged timing and body pushes but as they age they will get more and more vicious with each other and I'll have to break up squabbles. When the time comes for them to leave with their new families the puppies want new homes to call their own just as much as I do!
Then again, when I think of the puppy kisses they give freely and often it's hard to think of saying good bye. "Kiss kiss kiss" and they coming running and I end up with 10 puppies clamouring to give me sweet delicate licks on the chin and cheek. It's almost enough to make me want to keep them all ... almost.