> Pain is an emotion. https://read.amazon.com/kp/kshare?asin=B00YLQWB9M&id=6XkTK9quQBiMUyQ6rCy2wg&reshareId=PWYF6V1MF55ZE2HS0YRJ&reshareChannel=system

> pain receptors send messages to the part of the brain responsible for emotions (called the limbic system), where we interpret the feeling as pain. https://read.amazon.com/kp/kshare?asin=B00YLQWB9M&id=RGDMQDM7RFKQQzgUuY9_kA&reshareId=4E0SSEJ8XK0X2V5H5T54&reshareChannel=system