Correct me if I'm wrong, but you said you moved back to a project, and there are new person. It seems like you are now the new person :) I think he feel compet

Correct me if I'm wrong, but you said you moved back to a project, and there are new person. It seems like you are now the new person :) I think he feel competition from your side, and want to know your level of knowledge and confidence to feel more secured.