"She's alright. Healthy. If there were side effects, she hasn't told me."

Like she hadn't told anyone of the shard poisoning her in the first place—

Ellis hadn't thought of this possibility, and feels some shard of anxiety at the potential wedge into his chest. Chooses to hold it in check.

"It was on purpose. Necessary. She might have a lot to say about it, if you ask her the right way."

In a way that doesn't hint at any kind of seriousness and expresses scientific curiosity, probably.