Okay, here is my attempt to be a cheerleader:

Copaxone hurts and burns for sure
And I don't want to shoot up anymore
But if I set the needle aside
I may end up on my bare behind

I know-- that was really bad. I understand your frustration. I was recently thinking that maybe I should try copaxone again, but then I started thinking about how it made me feel and the problems I had with it. I think you should hold out until your MRI appointment and then make a decision. If it is not working, it does not make any sense to keep using it.

You could also try not taking it for a week or so and see if fatigue and eyes improve.