I have heard people proudly saying, that their body weight is exactly the same as several decades ago. They do not understand, that this may be a result of muscle loss and fat increase. Their muscle mass is only a half, but fat mass a double.
When your hormonal functions get slower over time, it is very important to take care of your muscles with training and proper diet with enough protein.
There are useful videos about this topic on You Tube (two examples below).
You’ll find excellent workout programs at my store. Welcome to visit.