The patterns exist and are recognizable. They are reinforced by the messages we consume, whether they are generated from the society's large-scale mononormative culture, or the small microcosms of polyamorous subcultures. We internalize and normalize them until we don't even see them anymore.
It's a common thread in the poly relationship advice forums. (Usually) the "primary" (or longer-term) partner starts to feel that their partner is taking advantage of NRE and/or taking the longevity of their relationship for granted. Examples: "He takes his other partners out who don't have jobs or cars and spends a lot of money… Continue reading Don’t “Dutch Oven” Your Partner(s)