A pound and a half per week is the most you can healthily lose on average, so the Zone experts say. Body fat behaves like a sponge, so losing it affects water retention. Your 6 pounds loss in month sounds on track. :D Just keep your eye on limiting hi-glycemic carbs.
Regarding the extra fat in the cheese, it should really be 1.5 g or 3 g per block, and that fat is an unfavorable (saturated) fat source. You do not need to give it up, but you might want to limit it or find a suitable way to balance it.
Sue can make better comments. Charlie