[The affection is not relevant, but it's certainly touching.]

"Perhaps you should get something to eat, then. Not enough to nullify the effects too much, as you say. Just enough to help you relax."

[Did he perhaps put a touch of suggestion into the word relax? Did he perhaps attempt to empathically soothe the anxiety and fear a bit, just temporarily, just enough to make it a bit easier on her?

Hard to say, really. It certainly is not a dramatic or immediate enough effect to be noticeable.]