I am miserable , I been twice to l& d With 2 mind apart contractions and they drugged me with…

I am miserable , I been twice to l& d With 2 mind apart contractions and they drugged me with morphine .....why would they do that ???. I know I have a schedule c section on Friday but if I was going into labor why drug me for "pain" as if I didn't know contractions were going to hurt .