“It may only be five seconds…” Destructive feelings, even fleeting ones, cost us. Take envy, or regret, for example… Mental strength and emotional resilience are as much about what you DON’T do, as what you do.

In this TED talk Amy Morin explains how small habits the might seem without consequence can actually tip the balance aginst our mental strength, leavung us weakened when we most need it.