Nothing happens for no reason. A bad outcome must have a bad cause. Only by understanding the cause of the matter can we better solve the problem, eliminate the unfavorable factors in the relationship between husband and wife, and ensure a happy marital life.
Five major killers that affect a couple’s sex life

1. Overweight body
   Obesity not only leads to a decrease in self-confidence but also causes a decline in sexual desire. This is mainly because the intensity of sexual desire in both men and women mainly depends on the level of male hormones in their bodies. In men, due to an increase in body fat, more androgen is converted into estrogen, and the concentration in the blood can increase by more than twice, which inhibits the secretion of pituitary gonadotropin and leads to varying degrees of sexual dysfunction. In severely obese individuals, sexual dysfunction is not only characterized by low libido but also includes multiple obstacles such as erectile dysfunction, ejaculation problems, and inability to reach orgasm.
   Unhealthy diet
   What we eat provides energy for our bodies. If you are too particular about your diet or go on a strict diet, it will disrupt the body’s system, affect your health and further reduce your sex drive. People who eat more casually tend to have more energy and a stronger sex drive. Moreover, those with a low sex drive due to an unhealthy diet often have difficulty controlling their eating and overeat, which further exacerbates their low sex drive, creating a vicious cycle.
   Drinking too much milk
   A study has found that excessive daily consumption of dairy products can lead to a decrease in sexual desire. Milk is the most common drink in our lives, and its benefits are numerous. However, excessive daily consumption of dairy products can cause a decline in sexual desire. Medical experts explain that all foods contain molecules called antigens that can cause allergies. If a person consistently consumes only milk, wheat, eggs, soybeans, tomatoes, fermented products, and chemical additives, it is easy to form allergic molecules. After a person consumes food, the antigens will stimulate the immune system to produce antibodies. If the diet is appropriate, the body’s own “housekeeping” system can remove them completely. However, if a person consistently consumes only one type of food for a long time, this cleaning function of the body will be masked, and the antibodies will grow like a snowball. They may remain in any part of the body, blocking microvessels and hindering blood circulation, leading to a decrease in sexual function.
   Eating too much for dinner
   A romantic dinner can easily make people overeat unconsciously, which in turn reduces sexual desire and affects the normal progress of sexual life. Experts explain that after eating, the digestion and absorption of food in the stomach and intestines require energy, so the blood supply to the stomach and intestines increases, while the blood supply to other parts of the body decreases accordingly. This can affect male erection and normal sexual sensitivity. In addition, if a large amount of alcohol is consumed during the meal, most women and some men will experience a decrease in sexual desire, which is also not conducive to sexual activity. Therefore, it is recommended to wait about one and a half hours after a meal before enjoying sexual intimacy with your partner.
2. Negative psychological emotions
   The psychological factors mentioned here refer to the fact that after a woman undergoes tubal ligation, she may experience a decrease in sexual desire or inhibition of sexual impulses due to mental reasons, which can be eliminated through psychological treatment. For men, having a vasectomy does not affect their sexual function. In a few cases, a decrease in sexual desire is also due to psychological factors. Women who use intrauterine devices for contraception may experience a decrease in sexual desire due to prolonged menstrual periods or increased menstrual flow.
3. Suffering from chronic constipation
   It seems that there is no connection between human sexual desire and constipation, but the truth is otherwise. Research indicates that women with chronic constipation often suffer from low sexual desire or abnormal sexual life. More than half of these people have tight anal sphincter contractions or are accompanied by menstrual abdominal pain and vaginal spasms, and they lack sexual desire or cannot experience orgasm. Some constipated women have spastic contractions in the pelvic floor, leading to urinary retention and symptoms such as frequent urination and painful urination, which indirectly cause a decrease in sexual desire.
4. 痴迷于色情电影
   性学家的最新发现是，男性看色情电影越多，就越担心自己的性技巧，而这种压力会影响他们在床上的表现。男性习惯于接受色情电影所传达的“性知识”，像是剪辑后新的性技巧，追求视觉刺激。因此，在现实中达到高潮已经不再容易了，甚至可能会出现勃起功能障碍。研究表明，过度接触色情内容会消耗男性的欲望，忽视与伴侣的正常性生活。经常观看色情图片的男性会过度依赖手淫，随着时间的推移，他们可能会对正常的性生活失去兴趣。
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