a good laugh makes you cry when was the last time you cried when was the last time you wiped good tears from your eyes when was the last time you laughed until you cried felt pain in your side when was the last time you let out a strong burst of laughter increased your heart rate causing changes in your blood pressure and momentarily disrupted the blood flowing to your brain that lead to a loss of consciousness a good laugh can make you cry hurt your side cause you to have irregular heartbeat change your blood pressure stop blood from flowing to your brain that's something to think about and nothing to laugh about