Hmmm, okay, I am cool with protein now, but I remember when I first began, I had bowel problems. Now, like you said, I am usually hungry within a few minutes to a couple of hours. Okay 2 months for the challenge, cando! Today I only had about 50 something in a shake form, maybe I should drink another shake before bed. I have been drinking for about 3 weeks now (inconsistently), but I may end earlier than the rest of you guys.