2. No matter how cold it is, they will always join you for a popsicle.
12. They will fish the fallen leaves out of your swimming pool.
14. They will make sure every party you throw is well-stocked with ice cubes.
15. Having all of Shakespeare memorized, they will happily fill in for a sick actor in your student production of MacBeth.
18. Or maybe you just need someone to retrieve your pool toys from the deep end.