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.
You have ear pain. Your outer ear canal is red and swollen. You have clear fluid or pus leaking out of your ear. Your outer ear canal is itchy and you see a rash. You have trouble hearing because your ear is plugged. You feel a bump in your ear canal, called a polyp. Flakes of skin fall from your ear.