I didn't say better - that's your interpretation Ian. What exactly is "better hearing" in the context of a music lover anyway? More analytical would be how I would describe what I was saying, but that would still be ridiculed.
I've heard enough without actually seeing the change to know Ian. I don't know if you have ever subjected yourself to a set of hearing tests and compared the results with others.(and before you jump up and down, I'm not suggesting your ears are shot - it would however be interesting to compare different peoples ears' performance when subjected to a strict testing procedure. Only then, and assuming the results were the same for all parties, would you be able to tell some of us that we are imagining things.