9. Holding grudges: holding grudges leads to more stress, which increases the level of Cortisol which in turn leads to weight gain, high blood pressure, and sugar. Stress also causes frowning which is the key cause of wrinkles.
10. Drinking in excess: alcohol causes dehydration and depletes the natural moisture from your skin, making you look older. Excessive alcohol intake triggers for rosacea outbreaks. Even skin cancer.