Get inspired by a weekly roundup on living well, made simple. Sign up for CNN’s Life, But Better newsletter for information and tools designed to improve your well-being . CNN  —  Stressful situations can’t be avoided in daily life. You’re standing up to speak in front of a crowd. You’re getting ready to meet someone for a first date. Or worst-case scenario, you’re facing an emergency. Your hands start to shake, your heart races, and your mind floods with negative thoughts. Those are all-too-