I did try to follow my teacher's advice and worked hard for several weeks, but why keep on trying when I wasn't progressing afterall?
After getting up from the bench, having been working on something in particular that I have been working with for months actually, I thought again of your comment here and had to come back to add more fuel to the big, burning fire

(maybe I am the only one who is on burning fire, and I am projecting that onto you ... hee hee ... better watch out. OR, at LEAST bring some marshmallows).
Yes, I have been working on a particular technical aspect since October. This particular aspect was a change for me completely, in many ways, and it actually seemed to go against many of the advices I had been reading and incorporating into my playing for the past several years. As it turns out, there is a good reason I decided to take the advice in, but that is another story. The point is, at FIRST, because it was a change for me, I actually was experiencing pain. I could go into details about that, but as it turns out, it was NOT the specific technical aspect that was causing the pain, it was my need to be more aware of what I was doing, and to make adjustments as I go along. And, in reality, even though this particular technical aspect was something I learned from my mentor after the first time I met him, he was NOT actually asking me to do something that caused me pain. You see ? I just hadn't figured out yet how to do it without pain, and it took me about a month, actually, to get it more sorted out. I didn't push THROUGH the pain, I changed my behavior so as to do what he was asking WITHOUT pain, and that is, in reality, what he was asking of me all along ... you see ?
Now, as I plod along, month after month, each time I go to see my mentor, we work a little on this particular thing. I can see and feel that each time I see him, I am doing things a little bit differently than the last time I saw him, and yes, there have been times where I wondered if I could actually do what he was asking of me to do ... I mean, I wondered if it were actually even physically possible ... hee hee (sorry

). As it turns out though, after adjustment after adjustment, some bigger some smaller (and I think we are probably still making some adjustments), it is starting to come together more. And, now, today, I am just realizing more clearly that truly grasping this particular concept is in fact opening up an entirely new world of piano playing for me. Did I see improvements all along ? Yes, some. There was always some kind of thread that I could be following, but it was not all smooth leading me to here. As a matter of fact, there were things to actually ponder, for sure, especially the fact that I was feeling pain. But, if I had automatically decided that it were this particular thing that he were asking for me to do that were causing the pain, then I would have been wrong. And, consequently, I would have been missing out on what I am just beginning to experience now, and that would be unfortunate. I assume I am still learning, too.
This took both my own careful observation during my practicing, and not just assuming anything in particular (though I had some particular knowledge going into it, too, that was helpful), but it also took my mentor knowledgably helping me to adjust as we went along as well.
So, as it turns out :
So would I be considered a "bad" student?
In your case, maybe so

.
Okay, that was *almost* a joke

. Just to be clear, I am in no way advocating painful playing. I am, however, advocating thoughtfulness about what you are experiencing and doing. If there is something wrong about it, don't just assume that the particular aspect itself is causing the problem for you. It may be YOU. And, OF COURSE, it is very helpful to have a knowledgable individual guiding you as you go along, too ! That can make ALL the difference.