[Every last bit of common sense points to "SAY NO YOU STUPID TOOL". Knowing what happened won't change it, and Bulba will just wind up feeling worse. It's not like anything bad came of it, anyway -- after Halloween passed, everyone was okay, and Biomech managed to talk Char out of running away again. So really, it's just... better if Bulba keeps on not knowing.

But that would mean lying to him.

So after a long, heavy pause, he speaks up.]

...Yeah.