I know that feel. My friends and I are often very rude to each other, but it's understood as a joke because we've known each other for so long. When someone I hardly know does that to me, it tends to put me off.
Doesn't change the fact that you completely overreacted, though. Way to ruin the evening.
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Statistically, one in twenty of us live next door to a pedophile. Not me though. I live next door to a stunning pair of seven year olds.