An "n/n" review for me means basically "I can't possibly imagine this service having been any better." That's a pretty hard standard to meet, and hence I almost

An "n/n" review for me means basically "I can't possibly imagine this service having been any better." That's a pretty hard standard to meet, and hence I almost never give them. An n/2 rating means "adequate, no specific complaints, no specific praise". If you don't calibrate the rating like that, you lack dynamic range on either side. But I've gathered that I'm the exception...