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Someone who will treat you well won’t need to tell you that they will treat you well. It’s kind of like how liars and scammers make a big deal about how honest they are. Another big clue is that he was telling you this while both of you were with other people. He cheats on one partner, he’d cheat on you, too.
I’m afraid so. There are a lot of people still fighting our Civil War, the one that supposedly ended over 150 years ago. Even without those troglodytes, there is a distinct cultural difference between the North and South, as I think there is in many countries. We tend to rub each other the wrong way sometimes.
Old joke about the difference. Walk up to a Southerner’s house, and they say, “can I help you?” Walk up to a Yankee’s house, and it’s, “whaddya want?”