[She brushes off the compliment to herself by downplaying it.] I studied hard; and doctors were needed here.

As long as there are no other adverse symptoms, it should only take a short while. [There isn't much she can do beyond suggesting vitamins and rest, if he's just exhausted himself or even if he's just become ill; of course, if it takes a turn for the worse or lasts too long, she'll want to see him again.]