People tend to think that “health experts” don’t get how real people live. But you know what? I do.

That’s because I’m a mom, I have a career, and I have a to-do list that’s a mile long. So one thing I know first-hand is that it’s tough to fit in a workout when life is hectic.

Here’s the thing: the benefits of exercise are so powerful that working out isn’t an option—it’s a must. And here’s good news: your exercise routine doesn’t need to take as long as you think.