I Think I Have Changed.....

I dunno why but i feel that i have changed... Am i as cheerful as before?As relax as Bfore?i am always thinking about so many things... but in the past i feel carefree.i want to go back to wat i was..everything was great in sec 2. Lastly , i am lonelier then ever. maybe this cause my change i duuno.
Sometimes i just feel that she is'nt the one for me.. but i still really really like her.