The Secret to a More Joyful Life Might Surprise You Relationships. It's that simple. The more rooted your relationship with Christ and deeper your connection with others, the more your joy will increase. Those who have strong relationships live a happier and more fulfilled life. In Rooted Joy , best-selling author Becky Harling invites you to experience the deeply rooted joy promised in the book of Philippians. In this study you'll learn how to overcome loneliness and isolation. So what are you waiting for? Gather your girlfriends, open your Bibles, and watch and see what God will do!.