aww sorry to hear this and this is exactly why I don't do these big long script roleplays anymore. I just don't find them fun or spontaneous and the fact they are so detailed and obsessive about every aspect, just puts me right off.
I think he is projecting saying you were not as enthusiastic as you used to be because I think these clients (and I am not meaning to sound jaded obviously our job is to please them and cater for their fantasies), tend to pick ''newbies'' who are more willing to go way OTT in the session, pleasing and catering to the letter, their every whim on the script.