Carla and Dylan welcome human behavior scientist Jon Levy to FortyNothing! Jon has done an incredible amount of research on everything from dating habits, to the search for happiness to the importance of adventure. He's literally written a book about the science of adventure called The 2 a.m. Principle!

Contact Carla and Dylan at [email protected].

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For more info on Jon Levy, check out http://www.jonlevytlb.com/