It's hurtful to refuse to listen to medical advice.
Allan has just had a visit with his doctor, who told him he needs to stop smoking and prescribed nicotine patches to control his cravings.
Allan wants to satisfy his craving.
Allan gets the nicotine patches and uses them to control his urges.
Allan continues to smoke cigarettes and never fills his prescription.
Allan begins to feel more energy and becomes more healthy.
Over time, Allan develops lung cancer and dies after a long illness.