We’ve all been there. You plan to go to a workout class after work or you hype yourself up to finally speak up during your next group meeting, but when the time comes to do it, your motivation seems to disappear. According to Melanie Robbins, an accomplished lawyer, television host, author, and motivational speaker, you have 5 seconds to act before your brain shuts your motivation down.

Unlike the Fountain of Youth, aging gracefully isn’t necessarily a myth. But while you might wish for a magical cure-all, keeping your skin glowing and firm takes consistent work throughout your life.