You brought our man closer to being identified than anyone else so you should kiss off any guilty feelings.
The concept of a kiss off letter may appear cruel and unfeeling but there are many reasons to send one.
A kiss off letter is a way to make your point or points without interruption or argument from your former partner.
The word usage examples above have been gathered from various sources to reflect current and historial usage. They do not represent the opinions of YourDictionary.com.