text: hi, i really dont know which language you have texted, correct me if iam wrong...\nmy understand on your question is that, you weigh 75kgs and how would you arrive 70!!! is that right?\nVery simple proceedure... drink lots of water before every meal so that your consumption of food intake is less. \ntry taking liquids like fruit juices. avoid eating pizzas and burgers in regular basis :)