Related Clues:

• Felt bad about what one did
• Recalled not fondly
• Regretted impolite sound
• Said 'mea culpa,' say
• Felt remorse over
• Kicked oneself over
• Wished for a redo
• Had regrets about
• Was unhappy about drive round much of Europe, heading west
• Kicked oneself about
• Regretted being churlish, by the sound of it?
• Wished could be undone
• Felt awful about
• Had misgivings about
• Severely regretted