Why does my ex care about who I'm dating?

Anonymous
Why does my ex care about who I'm dating? If he's in a relationship?...

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+1 y
Thanks for all the answers! This isn't someone I plan on getting back with anymore and I'm more focused on the next few months to come. I didn't really care about who he was dating after I found out so I was curious to know why he'd care about my dating life. Anyway, thanks :)
Why does my ex care about who I'm dating?
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