yep you're right there. kiba and naruto doesnt think at all they just jump into fights and neji seems to think of himself to heroic to run away or something. and what happened to Chouji is unknown but he jumped into a fight to. very unexpected. shikamaru is the reason why they have come this far but its not all thanks to him. its because both Chouji and Neji fought very well against their opponents and i imagine that Kiba will too.