When will i have my baby??

im 40 weeks pregnant, and so anxious and irritated and frustrated that baby hasnt come yet! especially when everyone around me is having their babies... yes i know he will come when he is ready, but i am in so much pain!! i have a back injury prior to my pregnancy, and carrying this baby is hurting me so much, not to mention my hips. its so difficult to sleep =[ i havnt had a chance to go to the doctors this week but i hope they will say baby can come. i havnt had ANY signs that he is coming, i havnt lost my mucous plug, i havnt had any contractions, it feels like hes not going to come.