Knowing the 12 Levers will psychologically equip you better than anything else we are aware of
In The 12 Levers, Spencer Greenberg and Jeremy Stevenson distill hundreds of self-improvement techniques into twelve fundamental psychological strategies. Spencer Greenberg explains how years of research into self-help and therapy led them to build a practical toolkit designed to help people live happier, more fulfilling lives. Bonjour Spencer Greenberg, why did you write this book… […]
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