Suppose you haven't seen your ex in 5 years. You have gotten over them, How would you handle running into them out of nowhere in a public place?

Suppose you havent seen your ex in 5 years. You have gotten over them, How would you handle running into them out of nowhere in a public place?
Suppose you haven't seen your ex in 5 years. You have gotten over them, How would you handle running into them out of nowhere in a public place?
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