If you are my kind of a photographer, you have also your kinds of models passing through your life (because it is through your life really, not just through your camera or studio or darkroom). The first group are models, which call, order themselves, have their photos done and leave. They might come back, but they remain in the customer category for good... so let me compare it to something we all know way too well - One Night Stand (ok, with possible repetitions). Second one