There’s something about grandma’s birthday that makes the entire family forget about everything else. The moment that day rolls around, normal schedules don’t stand a chance—everyone is heading straight for the celebration.
The car represents everyone in the family, making a sharp turn to prioritize grandma’s celebration over anything else. That kind of loyalty gets everyone together, no matter what else is going on.
There’s no regular day when grandma’s birthday is on the calendar. The family’s quick exit says it all.