Everything everyone else said above and:
Poly as a cover for shitty behavior casts a long dark shadow that antagonist love to emphasize. It's this misrepresentation that is a big part of the problem as others seek acceptance in how they chose to live their lives; with honesty, integrity and love.
Hopefully your husband will respect you, educate himself and be honest with you about what he wants and how he feels.
Playing the Game of Life with Monopoly rules.
Monogamy might just be in my genes
Poly Events All Over