He probably looks up to him.
Plus if they're best friends they're probably quite similar, or at least able to gel together in a way they both find meaningful and uplifting.
If he's constantly doing something that's annoying you, you should definitely bring it up. I mean, you're married. You two know, or at least should know, that you can have these sorts of talks!
Plus the imitating will probably get old for him eventually, it's probably just a phase.
Chat with our AI personalities