coordinate system and find the impedance point falls on the right side of the graph on the horizontal line, you know the circuit is equivalent to a pure resistance.
The most likely cause of the bleeding is from the skin of the outer ear canal after you have been drying your ears a little too vigorously. In the absence of infection, and with you feeling perfectly well and retaining normal hearing, I am sure that you are wise to accept the advice of your GP and carry on as you are.
An ear discharge is drainage of blood, ear wax , pus, or fluid from the ear. Most of the time, fluid leaking out of an ear is ear wax. However, discharge may also be caused by minor irritation or infection. A ruptured eardrum can cause a white, slightly bloody, or yellow discharge from the ear.