Should i quit science? ?

Im 17 and on d first year of my college and im studying like 6 hrs daily i go to college at 7 come home at4 and immediately go to classes and come home at 9.. It would be no biggie if i liked studying science dont get me wrong i do like science a bit but not enough to study this much im confuseed coz next yr on my 12th i would have to study even more i have like 0 social life plus i hate engineering nor i want to. Be a doctor or teacher so what should i do?
Thnx btw