you're wasting my time

My niece and nephew stopped by tonight and I thought GREAT... an opportunity to take candid pictures that I can use in my photography class tomorrow night.  My niece sits down to play a game on the iPad.  I point the camera ready to shoot a photo and ask her to look up, to which she responded, "You're wasting my time."

"You're wasting my time."

 After a few minutes she came up to me and said, "If you want one more picture you better take it now!"  And then decided it was ok to have a picture with me.