Best friend are the people in your life that you couldn't live with out. You tell them everything, and have no secrets between you. They always want to talk to you, and can talk about anything, or nothing. You ask them if they want to hang out with you, even though someone else already asked you. You will do anything for them. They can do a lot of stupid stuff, but you don't get mad at them, or at least, not for long. You know what they are thinking, just by their face, or the first few words of a sentence. You love them like a brother/sister.
I always call him when i want to do something because he is my best friend.
Even though my best friend wrecked my car, i did not get mad.