Trusting Too Deeply -- Learning From the Blabber and Gaining Insight

When we confide in someone, leaving-out the "between you and me" part, because we are taking as a given the confidential affinity we have with the other party, thinking that they have the common-sense not to blab the information shared with them -- we probably should not be put-off  by their lack of common-sense to filter what we wanted them to hold-back. We should instead, gain a little common-sense ourselves, while gaining insight from our mistake of trusting too deeply. 

(Just between you and me -- lol) Have you ever thought about the above ironical situation, regarding common-sense and confidentiality?