If you could warn yourself about a doomed relationship before its demise, would you?

On the website DearYoungMe.com, the brokenhearted anonymously share what they would have told their younger selves about their failed relationships. For some, that means offering a warning about staying with a cheating spouse. Others caution against remaining in a loveless relationship.

The site doesn't exclusively feature break-up submissions -- readers can send in anything they'd want to share with their earlier, less-experienced selves -- but the breakup-themed letters are certainly some of the most touching.

Click through the slideshow for some of our favorites.

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