Confuse???

i dunno how to describe my feeling o mood now.....it so complicated that even myself dun even noe what happen to me......i feel like i got some strange feeling of staying in my own world and dont feel to do and socialise with other.....it look like i want to escape from outside world and live in my own world.......this few day i sort of emotion unstabil which my mood change faster than weather....what happen to me?????Mb i sort of too stress with my study....honestly i m stress........abt many many thing besides study......i just hope everything go back normal and i can smoothly gone through this hard exam weeek.....all the best