She greatly appreciates how considerate Ted is being of Sherlock's sobriety. Not that she expected any less from him, of course. She's had other people stay with them that were decidedly less considerate, but Ted cares about people, and about Sherlock in general, to a much larger extent.

Sherlock returns with a plastic bag that he puts on the coffee table. He takes out the soups, setting them in front of Ted and Watson along with two plastic spoons, then takes his pad thai and chopsticks.