Thanks to have you in my life
--To a friend
All the time, all we heard  that there are  many kinds of friends. Have a good friend, a bad friend, bad friends, there are not enough friends of friends, more want to use friend. 一直以来，都听大家说朋友有好各种。有好朋友，有坏朋友，有恶朋友，也有不够朋友朋友，更有想利用朋友。
What is a friend in you heart? Talk about your opinion.
good ?
bad ?
use ?
other ?