The reason for this is that it is easy for people to have a bad relationship with their partners and even have a cold war, which can lead to rejection of sex, disgust and decreased libido. 2. If there are endocrine abnormalities, it is easy to cause a series of problems such as decreased desire, lack of libido, sexual frigidity, etc. 3, may also be caused by psychological disorders, such as depression, anxiety, if depression, the patient may be depressed, happy, reduced desire, such as decreased appetite, decreased libido. If the problem of anxiety disorder occurs, the patient may be very nervous, anxious, always worried, may be too nervous and fearful in sexual life, and even abnormal sexual intercourse, such as impotence, premature ejaculation, painful intercourse, etc., which can easily cause the problem of sexual apathy.