For best results. Use Zen-Kama for 6 months to help restore confidence and regain that youthful feeling naturally. Eat a balanced diet at regular intervals daily. Eat dry or fresh litchis with meals. Sleep at a regular time as much as possible. Avoid sleeping late and alcohol at night. Do not sleep immediately after having dinner. Drink hot organic milk at bed time. Do not eat yogurt at the night. Drink at least eight 8oz glasses of water daily. Eat organic foods for a healthier life. Healthy people are happier!