40 years - this is the age when a man is important to keep in shape at the same level, perfecting the technique of sex. To enhance erection doctors rekomendut 40-year-old man included in the diet of black currant. This berry is at times more effective than Viagra, it contains soluble fiber, which help remove excess cholesterol from the body, before it settles on the walls of blood vessels. Plaque can break the cross all the vessels - and those that supply the heart muscle with blood, and those that provide a full erection. To achieve the desired effect, doctors advise a black currants 3-4 times a week. In the diet of 40-year-old man should always enter and cereal mixture. If he often gets tired and refuses to intimate relations, he should pay attention to the fact that the composition of cereal mixtures consisted of thiamin and riboflavin. These vitamins supply the body with energy, support normal functioning of the nervous system, enhance sexual arousal and pleasure from sex. With age, the body begins to absorb vitamins is worse, because of which primarily affected the nervous system. In the bread and cereal mixtures, enriched with vitamins, niacin, and contains - a chemical involved in the development of histamine, which in turn depends on the emergence of an orgasm. Another piece of advice for men over 40: Do not deny yourself the pleasure of eating a good steak - this food contributes to sexual arousal. It often happens that after ten or more years spent in marriage, the spouses have reduced mutual attraction. In order to revive the intimate life, not bad from time to time to go alone in a restaurant and order dinner, which includes including low-fat steak. The proteins contained in meat, increase the level of dopamine and norpinafrina in the blood - substances that exacerbate feelings during sexual intercourse. In the beef also contains zinc. This element enhances libido because that reduces the production of the hormone prolactin, possessing the property to reduce sexual desire. But the most valuable feature of beef in that it increases levels of the hormone testosterone in the blood and thereby increases the potency. Nutritionists recommend that men aged 40 years and older to complete the meal a few cubes of dark chocolate or - much more useful - a cup of cocoa without sugar. Cocoa contains methylxanthines - substances that increase the sensitivity of the entire organism, including the skin, with the lightest touch. In addition, the composition of chocolate containing chemicals that improve mood. Some people they cause a state resembling love.