... is pregnancy. This is the 3rd time round for me, and again I'm on track for a good weight loss. (Both previous times I weighed the same or less the day before giving birth, than when I fell pregnant).
At nearly 19 weeks my trousers are looser than they were before. They are actually a bit of a pain, because I have to keep pulling them up.
I'm now around 8kg less than when I fell pregnant (but still obese, according to my BMI). Of course, it is not the most pleasant diet in the world. Also, in spite of not breastfeeding with no 1, and breastfeeding with no 2, I ballooned after giving birth both previous times.
Let's see what happens this time round...