Roasted marshmallows?

Once the helicopter landed on the helipad at the only villa on the island, there were a few men who ran over and waited for Han Ye and Xiao Lei to disembark.

"Bring the luggage to my room..." Han Ye instructed the men. He then glanced at Xiao Lei's feet and said to her, "Let's get you changed out of those heels."

"Great!" She agreed immediately. "These things are killing me!" 

As they headed down toward the inside of the building, Han Ye asked one of the men to go ahead of them and inform the head butler that they wanted some shoes and sandals in size 6 US. After the man nodded and rushed off, Xiao Lei looked at Han Ye with a curious gaze. 

"How do you know my sizes?" 

"You're only asking about that now? I've been buying you clothes and stuff for a while..." Han Ye retorted. 

Xiao Lei shrugged. "I mean, for clothes, it's not that hard to guess the size. But my shoe size?"