A friend is a person who has no blood relation but same understanding with family. He will always support you in the things you love and will rebuke you when you are wrong.
Every friend's likes and sorrows will always be by your side, never leaving you. Do not ever lie something with a companion because he will surely know it and will always be with you.
To express a feeling to friendship can be done with the word wise in English and its meaning. Most of the friends will be happy with the word wise for friends because of our concern for him and always remember it until whenever.