Americans lose 1% of their non-fat (ie - muscle, tendons, ligaments, bones, etc) mass every year. If you don’t do heavy strength training or its equivalent, you cannot buck the trend. You will keep getting softer even if your weight doesn’t change.
This article tackles some of the misconceptions about culprits of age, menopause, male and female weight management: https://www-washingtonpost-com.cdn.ampproject.org/…/ccb0673…
Essentially, it always comes back to muscle mass. If you have little, fat loss is tough. As you have less, it’s tougher. As you avoid strengthening, it gets to a point which seems impossible. Rather than tackle the real culprit, we place the blame solely on age or sex or genetics. Those can be contributors. But the choice to avoid strengthening is predominantly the problem.
Many times people have come to me wanting to lose fat while wanting to remain weak af. I’ve tried to explain, at length, that incredibly weak people have no business trying to lose weight first. It never NETS a beneficial outcome. They’re already losing weight. It just happens to consist of healthy tissue.