Why was “sure” used here?
Native speaker’s answer
Rebecca
The word "sure" here means "certainly" or "really". It is used for emphasis of a point or to express agreement with something. Here are some examples of similar uses of the word "sure": Ex: My car has never been cleaner. He sure did do a good job cleaning it. Ex: Italy sure does have great food. Ex: A: Do you think I'm smart? B: I sure do!