EPI 91 - How the People Around You Shape Your Biology

Hi friend — welcome back to The Habit Within! I’m Camille Kinzler, and today’s episode is one of my favorite kinds of conversations — the kind that seems simple on the surface, but actually changes the way you see your life.

We talk a lot about food, supplements, habits, and routines… but what if one of the most powerful influences on your health isn’t what you’re doing — it’s who you’re doing life with?

In this episode, I explore how the people you surround yourself with don’t just shape your mindset or behavior — they literally shape your biology. Through the lens of epigenetics, nervous system regulation, and lived experience, we’ll look at how proximity, conversations, and emotional environments quietly influence your energy, hormones, and resilience.

In this episode, I share:

• A sweet listener story about staying grounded during busy seasons — and why small, shared rituals matter
• The simple “broccoli for breakfast” moment that perfectly illustrates the power of proximity
• Why we naturally absorb the habits, language, and rhythms of the people around us
• How relationships influence gene expression through epigenetics (think dimmer switches, not destiny)
• The role of co-regulation — and why calm, grounded people teach your nervous system how to respond to the world
• Why “keeping up with the Joneses” can be nourishing when we choose the right Joneses
• How to notice who you gravitate toward in social settings — and what that reveals about your internal state
• The difference between growth rooted in self-judgment versus growth rooted in curiosity and play
• A gentle invitation to seek out relationships that support who you’re becoming

This episode isn’t about cutting people out of your life or forcing change. It’s about awareness. Because when you understand how deeply your environment shapes you, you get to choose proximity with intention — and that choice can quietly transform your health, your energy, and your joy.

Big Takeaways

• Your relationships influence your nervous system, hormones, and gene expression.
• Growth happens through proximity — often without effort or force.
• Calm, regulated people help your body learn safety and ease.
• Curiosity-based growth creates expansion; shame-based growth creates pressure.
• Small exposures can create big shifts over time.

I’d love to hear from you

Who in your life helps you feel calmer, lighter, more yourself?

Reach out to them this week — or send me a message and tell me what this episode stirred in you.

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