Possible Clues:

• Slippage problem with word processor perhaps in a manner of speaking unconsciously
• Remark that's revealing a sinful pride of a sort
• Is this what analyst made of The Fall? In a manner of speaking, it isn't intentional!
• Unintentional error revealing subconscious emotions
• Famous doctor with laid-back patients linked to one article is at fault? That said, it's an unintentional error!
• “We’ve had some sex...uh...setbacks,” for example
• Father due to turn up on piano at The Centre takes tumble? That said, it's an unintentional error!
• A sinful pride (anag) — it's said to be psychologically revealing
• Act of self-betrayal
• Such underwear may reveal more than you think!