Fitness, Muscle & Metabolism
Train for the Life You Want to Keep
Why fitness matters far beyond the gym—from muscle and metabolism to strength, balance, and staying independent as we get older.
Training for Life
There’s a version of longevity that can make taking care of yourself feel like a full-time job.
Track this. Measure that. Optimize your sleep, your protein, your VO₂ max, your workout.
I’m interested in this stuff too. But most of us are also working, raising families, maintaining relationships, and hopefully enjoying ourselves somewhere in there.
Fitness has to fit into that life. And it should help us keep living it.
I think about it a little like saving for retirement. You don’t start the day you retire. You build something over time so it’s there when you need it.
Our physical capacity works the same way.
What are we actually training for?
We’re not training for the Olympics.
We’re training to climb stairs, carry our own bags, get off the floor, travel, recover from illness, and maintain our independence.
That’s why I said during the session: we’re all athletes. The sport is life.
Cardiovascular fitness matters. Strength matters. Power, balance, and mobility matter. Not because we need another collection of numbers to optimize, but because these are the things that allow us to keep doing what we want to do.
Muscle is about more than strength
We spent a lot of time talking about muscle, partly because I think people still underestimate what it does.
Yes, muscle helps you lift things.
But it also plays an important role in how your body handles blood sugar. During the session, I described muscle as a sponge for glucose. When we eat, that glucose needs somewhere useful to go, and muscle gives us a place to use and store it.
That’s one reason maintaining muscle becomes more important as we get older.
This isn’t just about looking fit.
It’s about staying capable.
Exercise isn't just about adding years to your life. It's about maintaining the capacity to enjoy them.
Start with the person
Our guests, trainers Nichelle Jenkins and Jabari Arnold, helped make this practical.
We gave them a fictional client: Jordan, 52, mostly sedentary, blood sugar in the pre-diabetes range, some knee discomfort, and realistically only two 30-minute windows each week to exercise.
I expected exercises.
Instead, they started asking questions.
What’s happening with the knee? How does Jordan move? What’s the nutrition like? What’s realistic during the week? And most importantly, why does Jordan want to make a change?
I loved that.
Because the perfect program isn’t very useful if you can’t—or won’t—do it.
“How do you get older family members to exercise?”
Don’t start with exercise.
Ask them how they want to age.
Maybe they want to stay in their home. Travel. Play with their grandchildren. Walk without assistance.
Now movement has a purpose.
And start small. Ten minutes counts. Walking counts. Exercising at home counts.
We can build from there.
Train for your life. Fitness is about maintaining the capacity to do what matters to you.
Protect your muscle. Strength supports independence and metabolic health.
Start where you actually are. Your schedule, abilities, injuries and preferences matter.
Don't confuse complexity with effectiveness. Consistency beats the perfect plan you don't follow.
Wherever you are on your health journey, you don't have to figure it out alone.
We'll continue this conversation at the next gathering. Until then, start with one small step.