I myself had a hard time fully getting my head around this.
Boundaries are for you. You really don’t need to state them or set them. It is more about first, understanding your own values and second, manning up and owning those values in any given situation.
Me: 34 Stbxw: 30 D:5 D:3 Mini bd: May/June 2019 Married: Aug 2019 BD: 6th Dec 2019 OM Confirmed: Feb 2020 March 2020: I filed for D Waiting for D to be finalized and W to move out end of January 2021