She won’t change her eating habits in 4 months with this balloon. Yes she will lose weight, that is inevitable if something is in your tummy making it full. But what about after is dissolves and you can eat normally again? Slowly your portions will increase and then she’s back to square one. Such a stupid thing to do for someone who clearly hadn’t grasped the reason she was getting bigger and bigger was because she was consuming more calories than she needed over an extended period of time .