Is a man’s penis soft and hard at the same time a deficiency of yin or yang?

A man’s penis is soft and hard at times mostly due to kidney yin deficiency.
Penis easily hard may be due to kidney deficiency, kidney yin deficiency will lead to kidney yang qi bias hyperactivity, that is, yang bias hyperactivity, at this time the yang has no yin constraints, relative bias hyperactivity, the male penis due to the lack of constraints on kidney yin, and easy to get an erection. Kidney yin damage is too much, phase fire is hyperactive, fire and heat are generated internally, burning the zongjian, which can also lead to penile weakness and lack of use.
In addition to the above symptoms, patients may also suffer from tinnitus, hot flashes (a burst of heat), night sweating (abnormal sweating after going to sleep, but sweating stops after waking up), five heart-heat (heat in the palms of the hands and the hearts of the feet, and self-consciousness of being irritated by heat in the heart and chest) and other symptoms of Kidney-Yin deficiency, which can be treated by taking Liouweidiyang Pill to nourish Kidney-Yin.
The use of the drug needs to be guided by a doctor and should not be self-administered.