Difficult emotions can get under your skin if you're not careful. Sport and performance consultant Jessica Garza calls this the "jumping cholla effect," inspired by a sneaky kind of cactus that detaches and burrows its spines into unsuspecting passersby. In this empowering talk, she shares four mood-regulating strategies to help you gain self-awareness of your feelings, avoid catching other people's emotions and perform at your peak -- whatever the prickly situation may be.