Some nice expressions to use when speaking to a friend include, "Thank you for all the things you have taught me" and "Thank you for the best times of my life." "I will be there whenever you need me in any moment of your life" expresses appreciation.
Other good phrases that can be used to express kindness or appreciation for a friend include, "Thank you for making so many ordinary moments extraordinary," "Thank you for always giving me the extra push I need," "Thank you for telling me the truth," "Thank you for being compassionate" and "Thank you for making time for me."
There are many favorable things that can be said to friends to express kindness, appreciation and comfort. Comforting phrases to say to a friend include, "If you ever want to talk about this, please let me know," "I'm so very sorry you have to go through this. This is new for both of us. Help me help you. Tell me what I can do" and "If you need to be alone right now, I understand. When that changes, just call any time."
It is important to thank friends for their contribution to the friendship and to offer unbiased words of comfort when extending offers of help.