A tale from public transport may hold the key to politely retreating from conversations

What's better, to zone out of a conversation stealthily or to be up front about the fact you've stopped listening?
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A Twitter user shared a story Sunday that went viral of a man ending a conversation on the subway in a very novel way.Couple is sitting next to each other on the subway and the woman is talking the man’s ear off about her roommate when the man goes, “Katie, if you don’t mind, I&rsqu