"Omega stays with Echo every once in a while." Jon offers the answer to Tony's curiosity, though his answer and lingering scowl is staying with Tony and observing his scratch-washing. Though he isn't willing to let himself get distracted into any such trivial matters. And that's what the toothbrushes are.

As is all this talk about randomly appearing ramen crates. So rather than reacting to that any further, Jon turns his head towards the open bathroom door to inform Cayde: "I did!" And he will leave it at that for Cayde to come to his own conclusion.