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.
If you think you have a perforated eardrum, see a doctor. A tear in the eardrum can allow bacteria and other things to get into the middle ear and inner ear. If that happens, an infection could develop that can cause more hearing loss. Most perforated eardrums heal in a few weeks.