Return on Life: How to Invest in Your Own Happiness

A generated mockup of the "return on life" book cover.

In a world obsessed with time, money, and achievement…

It’s easy to lose sight of the deeper aspects of life that bring true fulfillment.

Return on Life: How Investing In Yourself Delivers The Greatest Return challenges traditional notions of success—and invites you to flip the script.

What if wealth, time, and joy were not goals to chase, but the natural return on a life well-invested?

The ROL Formula™

A New Framework for a Well-Invested Life

This groundbreaking book introduces the Return on Life Formula—a powerful framework to evaluate and optimize your core life investments:

Relationships
Health
Purpose
Experiences
Spirituality
Wealth
Personal Growth

Backed by neuroscience and behavioral research, and brought to life through practical insights and self-assessments, the ROL Formula™ helps you reclaim your time, your energy, and your life—from fear, frustration, and limiting beliefs.

This Book Is For You If:

You’re a high achiever chasing “what’s next” but craving something deeper
You’re a leader ready to live your legacy, not just leave one
You’re simply striving for balance, peace, and more joy in the everyday

More Than a Book—It’s a Blueprint

Return on Life is not another success manual.

It’s an invitation to invest in what matters most—

and to receive the greatest return of all:

A life rich in meaning, connection, purpose, and peace of mind.

Take the ROL Quiz

Before you flip the script, discover where you stand.

The Return on Life Quiz is pulled straight from Chapter One of the book— a quick but powerful snapshot of how you’re currently investing in seven key areas of your life:

Health, Relationships, Purpose, Spirituality, Experiences, Wealth, and Growth.

No judgment. No pressure. Just clarity.
It’s your first step toward reclaiming your time, energy, and joy — on your terms.

Are you getting the return you deserve?

Take the Quiz

Meet the Authors

Cari Kenzie

Chief Executive Officer

Cari is a visionary coach, speaker. and entrepreneur who has helped thousands of high-achieving women unlock their potential, scale their businesses, and lead with purpose-all without sacrificing their personal fulfillment or identity. As a former multi-million-dollar agency owner turned transformational guide, Cari is on a mission to disrupt traditional leadership paradigms. She is the co-founder of iShft, a personal development company that empowers individuals to embrace their inner wisdom, and the creator of "The Leader Within" program, where executive women are taught to rediscover joy, build empowered teams, and leave behind a lasting legacy. Her no-nonsense, compassionate style makes her a sought-after advisor for leaders ready to scale their lives and businesses with ease and authenticity.

Leah Roling

Chief Value & Programs Officer

Leah is a masterful coach, educator, and speaker known for her groundbreaking work with multi-practice dental owners and corporate leaders. With a rich background in behavioral psychology and leadership development, Leah has transformed underperforming organizations into empowered, self-sufficient, and high-performing ones while helping leaders achieve freedom, balance, and growth. As co-founder of iShft and creator of the Power Hour Blueprint, she champions a holistic approach to leadership that integrates emotional resilience, team alignment, and personal fulfillment. Leah is passionate about challenging leaders to step into their power. embrace their potential, and lead with intention. all while nurturing the relationships and experiences that matter most.