Sasuke knows he should say something. This frantic meeting of lips and hands shouldn't be happening. He lets Naruto push him against the damp grass anyway. They can figure things out later. He has to return to Orochimaru soon.
Naruto knows he should say something. They're lying on the ground and Sasuke's tongue is in his mouth and they haven't said a word.He lets Sasuke roll them over anyway. They can figure this out later. Jiraiya will look for him soon.
It's been over a year and they have haven't even said hello, but sometimes you don't need words.