[putting it all out, she can finally set the paper down, knowing that she'll be revising it later. but at least there's a record now to refer to when she thinks about what to do for him for the future. turning to him, she manages a smile, trying to be reassuring.]

A friend has been teaching me how to do that. I want to give people an option that's not solely reliant on having a nearby machine to evaluate their condition, to cater to what might be more comfortable.

[from her tone, it's clear Emily believes that - no tricks involved.]