Sounds like its doing something for you!! Have you disected your stool to see if there is anyting unusual?? Several people on here have suggested that just so you know in your mind that it really is working. Any sign i would believe is a good sign your body is being cleansed of some toxicicity the bubbles that you reported seeing remind me of those cartoons of like a toxic lake where green bubbles come to the surface. haha sorry bout my humor but i would want that stuff out of me so sounds like a good thing to me!!!
My humaworm is in the mail yeah!!! I'm watching your progress and wishing you the best.. drink lots of water to flush the nasties out but i'm sure you knew that... :)