What a weird question. The amount depends on what you hope to accomplish. Want to be able to get on the floor and play with your grandkids? That's going to require a certain amount of mobility work. Want to be able to hike up Mount Whitney? You'll need regular cardio. I also hate the phrasing that exercise is something to "get away with". Most people who exercise regularly enjoy it. Moving your body is fun, especiall…
Most people who exercise regularly enjoy it. There's a huge selection effect here.
I wasn't claiming to have run a damned study. Just making an observation. The thing is, people who don't enjoy exercising but start exercising anyway tend to find they enjoy it after a while. Saying people enjoy exercise is only slightly more controversial than saying "ice cream tastes good". There's a bit of activation energy required, but it's not a huge stretch to notice that something that is good for our bodies gives us pleasure.