Letter that won't have reply...

Have you ever know that the feeling cast away by someone?
The feeling just like you post a letter that you won't get any reply but you still waiting for it
I have few friends, I'm very admire of them cause they can always laugh even cry in the crowd. They can always express their own feeling and everyone thought that that was a true or the thing they should do. But for me, I can"t did it cause no one will concern about my feeling. I feel like I always lick up by the dark. Adamancy such my logo, what I should have. I'm a very silent person, like I enter a discussion and suddenly I leave, there also no one will noticed that. I don't know what thing I did wrong, I have self-examination but the way still continue. I always advise myself maybe still not the time yet, someday I will get the reply. Be patience to wait.