I decided to join a different lab (doing a similar project as us) than the one I am currently in because the one I am in right now is very unstable, not much is getting done, and I feel like it will not take me anywhere good. I want to leave by the end of this semester, but I don't know how to tell the professor I want to leave without him hating me afterward. He hates kids who leave his lab; I know because he always talks poorly about them. Anyways, I was wondering what feedback you all have?