I need help I was 257 lbs before I had my gastric sleeve surgery on August 29,2017 and I lost 20 pounds before surgery with the shake the doctor gave me and now after surgery I only lost 37 pounds am 200 lbs exact now for the past 4 weeks I dont know whats going on but am loosing weight too slow I take all my vitamins and I deink lemonade every day but am not able to drink too much water or exercise because of working long hours what am I doing wrong I take all my vitamins