Understanding

when does someone understand u?

When he knows what you like? When he knows what you dislike? Or when he knows when to do what is needed?

A simple phrase many must have spoken before, 'You are the only one that understands me / you understand exactly what i feel now / i understand you'
But, when can one truly say he does?

Understanding is just a form of friendship. The big word that life cannot live without. Friends that makes life what life is. Friends that make life fun. Yet how many of these friends truly understands? How many of these friends know what is wrong? How many of these friends are true?

A simple word such as love can hold so much power in it. When then can one say 'i love you'? When they understand each other? When they have interest or feelings for each other? How then can one question this love? How then can love be explained.

Years have this word, 'Love' exist. Years have it's friend, 'Friend' exist. But both ties strongly towards the meaning of understanding. Yet, One who understands, what can he be then?
A friend or something more?