[quote=Saarebas]
Siblings the people you'll get into a near death battle with but the second someone else messes with them you're rushing to the rescue.
[/quote]

Oh so true. 
[quote=CallaLily180]
Or pencils, my brother threw a sharpened pencil at me and it went threw the skin.
[/quote]
I'm not a good throw, but I've found forks to be a good weapon.