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Do you judge people that have families are not married? Or has this just become a norm?
I think it's pretty normal now. Not "the norm", but definitely not abnormal.
I know a few couples who have been together for many years, and have had several children each, bought houses together, etc etc. As I only met these friends recently I assumed that they were married. When I finally found out (a year or so after we became friends) that they weren't married, I was surprised, as they just "seemed" married.
So, no, I don't "judge" them. They're just another part of normal.