Birthday party with school friends

Jack had the unusual fortune of celebrating his 5th birthday THREE times this year. Something I have assured him will never happen again. Since we spent the actual day in HHI, we had a party at the house a few weeks later when all of his school chums could come and bring their general mayhem. Lots of boys (moms and sisters of friends we're graciously allowed to attend), good weather, pizza and cake and growling....what is it with little dudes???