[Okay if she'd saved the spider comment for a little later on in the conversation, it probably could have continued on with the tone of seriousness it's had all up until this point. But instead she mentioned the spider so now we have to get that out of the way first.]

I've been trying to get rid of the damn thing for days! The little parasite won't leave me al-- wait. [Realization: get.] You like bugs, right?

[Yes. Yes he is making an attempt to pawn this spider off on you, Saionji. WE;ll get back on topic here in a minute.]