Q: I’m emotionally exhausted by everything from COVID-19 to war and contending with my own and my family’s health problems. It’s making me get sloppy at work and short-tempered at home. How can I regain emotional strength? — Steven B., Nashville A: Emotional strength (resilience) can be cultivated, and it allows you to contend with what life throws at you. While no one can dodge challenges, disappointments and sadness, how you respond to those events and circumstances is in your control. The first step is to practice mindful meditation and/or breathing exercises for 10 minutes in the morning …