is selective mutism only anxiety-based? i’ve recently stopped talking at my customer service job (lol) because i don’t see the reason for small talk & i often don’t know what to say to people’s remarks, so it’s awkward. not only do i not greet people, but i don’t respond to audio cues either (this has been true for most of my life.) my brain knows the proper response to “hello” is “hello,” but my mouth never opens. thoughts?