You would think reviews of long time slaves would be a common practice but I, at least, do not hear of it being done. My question is "what would be included in a slave or sub's evaluation?" I spent decades working in big white collar companis so I have some ideas based on that experience. I see two approaches: 1) Evaluate the slave based on what the domme expects over the time, say a quarter. So items might be adequate giving, striking the right balance between cash, gifts and bill payments, ...