When you're a soldier in the Civil War and your leg gets blown off by a cannonball.
When you manage to mow your lawn in perfectly straight diagonal lines.
A toddler just performed a double knee drop from the arm of the couch onto your stomach.
National Anthem or Hatikva is sung.
You or a family member is featured in Mishpacha or Ami.
Your wife is giving birth, but the hospital cafeteria is closed, and you've been awake for like 20 hours and all the vending machine has is Veggie Straws.
Your flight is delayed.
They wake you up on the plane to daven but you already davened.
The Chazan didn't sing Chamol.
The Chazan sings a beautiful Chamol.
Smoking a cigar while the sun sets on your kids playing in the freshly cut grass and the chickens peck at the feed and the smell of home-cooked dinner comes wafting out the kitchen windows.
They announce in shul on Shabbos that there won't be a kiddush today after davening.
If you're a Chicago Bears fan.
After the 17th speaker at a simcha gets up to speak.
At your child's wedding.
At your wedding.
At your funeral.