If you get soft before you go in, you may have erectile dysfunction, which is usually related to psycho-psychological factors, vascular factors, neurological factors, and endocrine factors. 1. Psychological factors: low mood during sex, excessive psychological tension, and emotional discord between husband and wife may lead to erectile dysfunction during sex, which may prevent men from having a normal sex life. 2. Vascular factors: men suffering from hypertension, diabetes and other diseases for a long time, may have an impact on the blood supply to the cavernous body of the penis, resulting in insufficient blood supply to the cavernous body, which may easily cause erectile dysfunction. 3. Neurological factors: for example, cerebrovascular lesions or trauma, resulting in damage to the central nervous system or peripheral nerves, so that the nerves innervating penile erection are abnormal, which may cause erectile dysfunction. 4. Endocrine factors: Erectile dysfunction may also be related to endocrine factors, such as hypothyroidism, adrenocortical function, etc., resulting in endocrine abnormalities, it is easy to affect the normal erection of the penis, resulting in erection weakness. If erectile dysfunction exists in the same room, you should consult a doctor in time.