Okay, so if all you care about is calories here, then eating the skin, if it doesn't hurt your weightloss, is fine.
Same with bacon.
However,
if you are at all concerned with your health, your heart, and your cholesterol levels, you
definitely shouldn't eat the skin. Rotisserie chicken breast has much more fat in it than a boneless, skinless chicken breast does--the fat soaks in somewhat during cooking. So, you're already getting more fat (and it's the bad kind: saturated)--eating the skin just adds even
more bad fat into your diet. If you care about your health, you need to avoid eating the skin. I like the crispy bits too
, but I avoid them now.
As for bacon, yes, some of the fat does cook off (you can see it in the pan), but not all. It's a particularly fatty cut of meat and irregardles of the calories is really bad for your heart and health. Try turkey bacon, as Dr. A suggests, which is leaner (though it still has saturated fat) for those times when you really want some bacon. Otherwise, try to stick to the healthier oils,
if you are worrying about your health.