What Reactivity Looks Like in Temecula—and Why It Happens Living in Temecula and nearby Murrieta means gorgeous neighborhood walks, lively weekend crowds, and dog-friendly patios. For owners of reactive dogs, though, these everyday moments can turn stressful fast. Reactivity is an emotional response—often fear, frustration, or over-arousal—that shows up as lunging, barking, whining, spinning, or…