[She takes a moment to consider the answer well. Obviously, Mercedes would want to be sure that he's not planning anything, so she can't just give a vague reassurance - both because that's not what she does, and because that'd be very hypocritical of her.]

If he has any long-term plan, he's made no show of it. Aside from observing me on occasions, he spends most of his free time in the Training Center.