[He'll just assume that's a "yes".

And why are you blaming him? It's not like he's a breeder and should know stuff like... oh, wait.]

I didn't know that it would be able to do that. Furret's had eggs before and none of them could use that move. That looked like "Flamethrower, but Sentret are only supposed to be born knowing "Scratch" and "Foresight".