Am I Changing?

At times we behave, that is so unlike us... I am actually amused with myself. Nowadays I prefer to keep quiet. I dont talk, unless I am asked something. My world revolves around me. But u know what? I m enjoying my every piece of solitude. This is so unlike the talkitive lot, to which I belong! Even if anything goes wrong, I dont feel like weeping. But one thing! Though other things might have changed, I have not stopped doing the too much thinking, I do... Anyways!!! Have I become tougher? Do things and perspectives change with time? Am I changing? Or it is just the time that has changed? I am still toying with these questions...