Disclaimer: For the last time, NO.
-Just because-
It is the reason why he runs around his house in the morning singing "Crazy Sunshine" at the top of his lungs.
It is the reason why he wears those childish PJ's even though he's twelve years old.
It is the reason why at precisely 9:00 p.m., he rips his shirt off and watches re-runs of Power Rangers.
It is the reason why he created Sexy no Jutsu.
It is the reason why he sometimes dresses up as Sailor Moon and totally destroys an effigy of Sasuke.
It is the reason why he paints an advertisement for a "good time" on the Hokage's monument and lists Tsunade's number.
It is the reason why he eats ramen religiously every day for breakfast and supper.
It is the reason why her firmly believes that ramen is the other white meat.
It is his reason for most everything he does.
It is his motto, his proverb, his wise saying.
---
"Naruto, why do you do such stupid things?!" Iruka-sensei cries.
The boy just smiles the irrepressable smile of his and states his answer: "Because, Iruka-sensei. Just because."