Turning 4 years old can be rough.
Just ask Zachary Ruiz, whose birthday is in October.
"I don't want to be 4," the boy said. "I want to be 3."
Zachary didn't seem impressed when his father told him he would be a year older. Why?
It seems three is the boy's favorite number.
Don't worry, Zachary, there's still time.
Watch the video below: