Konohamaru is contemplating how much more interesting a mentor Naruto is and how his lessons were never boring. Mizuko thinks about Naruto when he hears that Naruto participated in the slaughter of an upstart village. Naruto sneezes and thinks someone is talking about him and then realizes he got bit a by a snake.
When Tetsuo is reminiscing on his students' pass cons.
Tetsuo: I can't believe Naruto was able to con that ninja out of 20000 ryo with a chalkboard eraser and string.
Iwa Academy instructor: Best money I ever spent.
In Shippudden, Sakura is rejected by a genetist to become the mother of Sasuke's children by him taking one good look and replying, "That's natural?!" (He's talking about her hair colour).