I know, logically, that a gallon of water weighs around 8lb so shouldn't have been so surprised. But I hurt my back and have been just walking for cardio and doing yoga for a couple of weeks, no lifting, no running. Diet I estimate is about the same, and my weight dropped by 4lb over the first few days and has retreated…
Another thread I was watching turned into a conversation about old people and exercise. What do you consider sustainable exercise? Who do you know, or know of, who is still exercising at advanced age, and what do they do? How long have they done it? What do you consider unsustainable exercise? What would break you down…