These days, many people have heard the saying, “Let it go.” But what does this mean, exactly, when applied to daily life? A recent survey of modern dictionary listings for the phrase offers a wide range of definitions, including such sometimes contradictory instructions as: abandon inhibition; be more relaxed; stop pursuing particular desires; accept things as they are; let go of painful memories or thoughts; allow life to carry you to a new place; stop holding on to someone or something; forge...