A true friend is the one that will be there no matter what. They will set aside their own troubles or worries, and help you through yours. Let you cry on their shoulder, hug you when you need it. Will be the one who will do whatever they can to help you. Even if it is just spending time with you. Strive to be that friend, because everybody needs a friend like this. But not every body wants to try to do it. If no body tried then there would not be any left...so if we want that type of friend we need to be that person ourselves.
As ghandi said, 'be the change you wish to see in the world', somehow i feel as if this goes with the topic.
That is really I have to say, always love those around you and dont give up on them no matter what they may do.