How can someone genuinely love someone if they are serial cheaters and say horrible things about their partner behind their back?

The way some people talk about their girlfriends and boyfriends behind their back makes me SICK… Not everyone obviously. Sometimes even saying these things to the people they’re cheating with… But they then claim they love their girlfriend. Love their boyfriend. Love their wife. Love their husband. Love their fiancé…. How? How could you love them and treat them so disgustingly when they aren’t around.

Normal people leave relationships they aren’t happy with.

How can someone genuinely love someone if they are serial cheaters and say horrible things about their partner behind their back?
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