I am currently like all too many people a bit overweight. Come a major disaster and we have to use our food supplies, being cubby will attract attention. Regardless of how much food we stock, it may become necessary to lose weight to avoid attracting attention. This means that our clothes will not fit.
There are a couple of solutions to this problem. One is to cut our clothes down so that they fit right. However, I am going to suggest that you don’t, let them be baggy so you look like you have lost weight. It may even be a good idea to keep a few over size items of clothing around. Baggy clothes will help you look thinner.
If you are living off your storage, start rationing from day one. This will accomplish two things. One it will help stretch your food. Two it will help you lose weight. Remember all the problems you currently have about losing weight will still be here. It will take self-control to reduce your food intake. Give some thought to this problem now. I know there is a common idea that we will be working extra hard to grow crops and survive. This will be true for some of us. For others you may have to bug in for a period of time and you will get less exercise than normal.
Give some thought to your situation and prepare a solution ahead of time. If you are bugging in it may be as simple as learning to skip rope in your house for exercise. But remember in times of crisis being overweight may be the death of you.