Aaaaah, now that you mention it, I think yes. I thought it'll be good for him, but good to know it was the fat/skin--I'll take note >_<;
Fortunately, he's doing very well now! I don't think he even realize he had diarrhea--he's always running and jumping around like Bambi :') I'm just glad it's over with!
And I'm glad to hear you like the colored notebooks idea!