Today, i called my dad. 

His first respond is: "You are unhappy again?! what are you upset about?"

Later on, when I was asking if I should go back hk after graduated,  he said: "well, you always change your mind. why are you thing so much? Just simply finish your study and see if you can find a job there. That's all. What to worry about?"

Yep, he is right. He has stated all the problems I have!!  

1) thinking too negative

2) thinking too much which leads to incooperate in mind

With stress, I've lost my mind. I have complained too much but forgot to appreciate what I have. I have thought too much which is beyond the fact. Well, that's me, that's what my life is like in these years.

I have complained my friends, complained to my friends. I did it wrong!! That's not appropriate and even not very true!!. My god, what I'm doing here?!

Change my personality?! could I ?