A Friend is.... 朋友就是 ... 

Accepts you as you are接受原来的你

Believes in "you" 相信你这个人

Calls you just to say "Hi" 打电话给你就是想说声"HI"

Doesn't give up on you 从不放弃对你的信心

Envisions the whole of you 预期你总是尽全力

Forgives your mistakes 原谅你的过错

Gives unconditionally 无条件的付出

Helps you 帮助你

Invites you over 邀请你

Jest "be" with you 静静的在你身旁

Keeps you close at heart 靠近你的心

Loves you for who you are 因为原来的样子而爱你

Makes a difference in your life 使你的生活与以往不同

Never judges 不间断

Offers support 支持你

Picks you up 扶你一把

Quiets your fears 止息你的惧怕

Raises your spirits 鼓舞你的心灵

Says nice things about you 跟别人述说你好的那一面

Tells you the truth when you need to hear it 当需要时会告诉你实情

Understands you 懂你

Values you 看重你

Walks beside you 与你同行

X-plain things you don't understand 了解你的疑惑

Yells when you won't listen aXnd 在你听不下时会大吼一下

Zaps you back to reality 把你拉回现实 

很久以前从网上找到的文章，什么是朋友，这里应该可以找到些答案吧。。