Just over a week ago, I weighed myself to 56kg. I know, light, but I have been all my life.
Anyway, I have had a week off school now and in that time, I have consumed 3 large quarter pounder meals and mcdonalds and 4 large pizzas. That is additional to my regular eating including breakfast, lunch, dinner and snacks. I know this is unhealthy, but this has been in general celebrations of having no school with my friends and will most likely decline now.
I weighed myself today to find that I am 53.8kg. Why would I have lost so much weight in a week? I don't have much of a muscle mass and don't work out regularly, so loss of muscle can't be an explanation for it.