 I wonder if you've ever used silence as a boundary, I know it sounds strange, but what I mean is when you're around people who you know do not listen to you and don't see any value in your words or your voice or opinions, then silence is a great thing to choose. I don't mean silent treatment, I don't mean that reactive manipulative thing, I mean a calmly chosen silence that you choose which is saying I value my words too much to waste them on people who are determined not to hear me, not to listen to me. It's a silence that springs from self-respect, it's a silence that is saying I value my words more than I value your listening to me. It's not a silence that belittles their voice, like all boundaries, this is not about anyone else but you.