Boy and Girl

There are one boy and girl in restarant. They order food.
Then boy says to girl.
    Boy : I love u!!!!
    Girl : Sure ???????
    Boy : Yes.
    Girl : I hate u!!!!
    Boy : Sure ????
    Girl : Yes.
When finish eating.......
    Boy : Waiter ! Waiter !!!! Bill for only me.
    Girl : !!!!!!!!!!