If we're talking body shape rather than weight alone, that's rather easy to accomplish in a short amount of time. The key thing is making those change stick through habits so she doesn't more or less relapse
If we're talking body shape rather than weight alone, that's rather easy to accomplish in a short amount of time. The key thing is making those change stick through habits so she doesn't more or less relapse
But here they're specifically talking about losing weight. He told her to get under 70kg, from her starting weight of 95kg. And we're shown that she jogged, did some calisthenics, and adjusted her diet. That's a healthy way to lose weight but it takes time.