What are the specific symptoms of sexual dysfunction?

Patient's question:

I am 37 years old and have been divorced from my wife for 10 years. Recently, I don't know what the reason is, but whenever my wife suggests intimacy, I always feel no interest. Am I suffering from sexual dysfunction? What are the specific symptoms of sexual dysfunction?

Doctor's answer:

1. Sexual psychological disorders
2. Sexual dysfunction: including difficulties in erection, weak erection, short duration of erection after achieving it, premature ejaculation, and excessively short sexual intercourse duration.
3. Sexual intercourse disorders: including sexual syncope, sexual aphasia, and sexual hysteria.
4. Ejaculation disorders: including anejaculation, retrograde ejaculation, painful ejaculation, and hematospermia.
5. Sexual sensory disorders: including sexual pain and anorgasmia.
6. Sexual orientation disorders: including homosexuality, fetishism, exhibitionism, voyeurism, and sadism.
The condition of male diseases tends to recur frequently, requiring long-term medication.