That's all true as we make our visits, with whatever good / bad results.
But the question has another aspect, how does that all fit into a lady's career path. A career that might last 2 years or 22. How would they achieve a great result after 22 years? Instead of a so-so result.
One upmarket section is the Dominatrix, not my cupan tae, but to do it right over and over must be really difficult, and they charge accordingly.