Hi I'm 20 about to be 21 in August and ive been having some low back pain and side pain, my head hurts most of the time and I can't eat all my food and what I eat make me feel sick to my stomach, all i want to do is eat and sleep my breast have seem bigger and heavier and one minute I'm really hot the next really cold me the last time me and my husband had sex was two and a half weeks ago can any one tell me what's going on