Is there a way to treat short intercourse time?

Patient's question:

Patient Age: 18
Condition Description: My foreplay with my girlfriend is quite sufficient, and my erection is also firm, but every time we have sex, I ejaculate within less than two or three minutes after penetration. What could be the reason for this? We've been together for about thirty times since we started dating, and it's always been like this. When she's on top, it lasts a bit longer, but when I'm on top, I finish very quickly. What's going on with me? What should I do? Please help me, doctors. A few days ago, an ultrasound showed that my prostate is fine and there are no problems. So what could be the reason for this? Thank you! Please help me, doctors.

Doctor's answer:

Your condition is generally considered to be a symptom of kidney deficiency due to insufficient essence and yin-yang in the kidneys, which often leads to a decline in sexual function. It is recommended to avoid bitter, cold, and icy foods in your daily diet, engage in appropriate exercise, and take Liuwei Dihuang Wan and Jinkui Shenqi Wan, among other herbal remedies.
The condition you described, where kidney deficiency leads to impaired sexual function, has been accumulated with many unique treatment methods through long-term clinical practice of traditional Chinese medicine. It is suggested that you use Angelica Sinensis, lotus seeds, Alisma orientale, Epimedium brevicornum, Tribulus terrestris, Cuscuta chinensis, Eucommia ulmoides, Polygonum multiflorum, mulberry, Rosae Rugosae Fructus, Hystrixis Dura, Ostrea gigas, Poria cocos, Goji berries, Achyranthes bidentata, Yanggu powder, and Whitefish fat, among others, for combined treatment. This approach is effective and quick to show results. These herbs, when used together, can rapidly clear kidney waste, effectively nourish the liver, spleen, and kidneys, resolve damp-heat, dispel stagnation, enhance kidney function, strengthen vitality, treat both root and symptoms, and allow the medicinal efficacy to quickly take effect, restoring sexual function and bringing back vitality.