A friend knocks on your door before entering,
but a best friend busts open while being loud.
A friend asks to borrow your clothing and then returns it as soon as they've wore it, but a best friend has half your wardrobe; half hanging up and the other half dirty and/or lost.
A friend call your parents Mr. and Mrs,
but a best friend calls them mom and dad.
A friend comforts you when he breaks up with you,
but a best friend goes up to him and says, "It's because your gay isn't it?"
A friend asks you why you got in trouble,
but a best friend is the one you got in trouble with.
A friend is always nice to your siblings,
but a best friend beats them up and snitches on them too.
A friend knows the people who live in your house,
but a best friend knows your whole family.
A friend knows doesn't realize when your lieing,
but a best friend will cut you off and say, "Just shut up.. we both know your lieing."
A friend will tell you your hair is cute even when your having a bad hair day, but a best friend will be like, "Girl, go put that in a ponytail."
