Possible Clues:

• 'I didn't need to know that,' in modern lingo
• Acronym to an oversharer
• Brief version of this puzzle's title hidden in eight long puzzle answers
• 'Keep that part to yourself!'
• 'That's more than I wanted to know,' in brief
• 'Why don't you discuss that with your urologist instead of me? Sheesh ...'
• 'I think you overshared,' briefly
• 'Please, enough about your sex life'
• 'Ew, spare me the details': Abbr.
• "More than I needed to know!," briefly