Advice – He says he would prefer a closed monogamous relationship with me.

A polyamorous boyfriend of a year and a half admitted that he would prefer a closed monogamous relationship. Is this a dealbreaker?
A polyamorous boyfriend of a year and a half admitted that he would prefer a closed monogamous relationship. Is this a dealbreaker?
/u/yo_so_leen writes on /r/relationship_advice… “For context, my girlfriend [24F] and I [24M] have been in this relationship for a little over a year. We somehow started talking about marriage and I said that I would be down to be married whether with her or someone else in the future. Marriage […]