But I wonder when you have to change the place of service: well, there's a hairdresser or a car service, or a partner of some kind, what do you tend to tell about the previous place, a car wash or a master? You say that it was bad there, that's why I came to you? Or do you praise them, him and her? And what do you think is more profitable to do?
It seems to me that it is always more profitable to praise. Say that you can no longer go there for a good reason, but be sure to state that they have been the best in your life so far. This stimulates the newcomer. Will force him to mobilize so as not to lose face / muzzle in the salad. And if we say that they were not good for you, so why should this new guy strain himself? He knows he's good. So, doing everything normally, he will be better than the previous bad ones.
So praise your exes, praise them in front of the new ones, it can slightly spur and not only by comparison, but also by the very fact that you say good things about their colleagues. Even if they don't admit it, they will think that you are praising them too. And you will bone them in front of your friends, a cat or a TV.
But the service is here.