afterthink

To think about after the fact, reflect on.

To repent, or feel remorse for; to regret.

Do not afterthink except for poetic or P.S. reasons. Never afterthink to "improve" or defray impressions, as the best writing is always the most painful personal wrung-out tossed from cradle warm protective mind – tap from yourself the song of yourself, blow! – now! [...]

Never fear," said her husband ; " there, sit you down and mend your stockings, and the less you heed us the less you'll have to afterthink."