Learn your lesson
Definition 1 of 1
Pro Tip 1/3Mistake Consequence
Used when someone suffers a negative outcome due to their own mistake. 
He missed his flight because he overslept, but he'll learn his lesson and set multiple alarms next time.
Pro Tip 2/3Behavior Change
Indicates a person will change their behavior to avoid repeating a mistake. 
She learned her lesson about procrastination after the stress of meeting a tight deadline.
Pro Tip 3/3Realization
Shows that a person has had a realization from a bad experience. 
After getting a terrible sunburn, he learned his lesson and always wears sunscreen.