"When we feel rejection, the body takes it literally," Melissa Forde, self-care expert and credentialed health practitioner, told POPSUGAR. "Sometimes perspective shifts are hard for people to grasp if they're in that fight or flight state. A nourishing meal or even a deep breath gives your body the information that you're OK, increasing blood flow to the part of the brain that can do the big picture thinking instead of the emergency response thinking."