There relation...

Jack patted the boy's shoulder, appreciating his presence of mind. "You are intelligent my boy. Very good." 

"Please just pay the bill. The total amount would be 75 dollars." The delivery boy begged in much remorse

They both walked towards there respective wallers and shuffled through the paper bills. 

"I have 50." Eva turned to look at Jack in much doubt.

"I have 50 too. Let us give it as tip." Jack nodded his head and they both handed over the notes to him.

As soon as he saw the notes in his hand, he sprinted out of the room crying in much anguish. The nurse sitting in the reception has seen a happy pizza boy entering the room, but now he was crying in much fear and anxiety. "I wonder what must have happened to him." The nurse who had just been alloted the duty after the two nurses had left, gulped in fear. "Should I go and check? Are they upto something? The girl must be having her lunch, I should go in 10 minutes to check on them."