Until it starts eating people. Or you could be wandering around your ship and suddenly catch him playing with it.
"Who's a cute little predator? Who's going to eat everyone in the galaxy? You are, that's -"
"Khem, what are you doing?"
"WHA- I, er... I was berating the tiny creature for being useless! Yes. That's... what I was doing."
"With a squeaky toy?"
hahaha i would LOVE to have that convo with him