Hugo lived with his dad, Mr. Cesar. One sunny afternoon, Hugo was playing with his toy cars when he suddenly stopped and looked up at his dad.
“Dad, why can’t we call Grandpa?” the boy asked with a puzzled look.
Mr. Cesar put down his phone and smiled. He walked over to Hugo and sat down next to him.
“You see, Hugo,” Mr. Cesar began, “Grandpa had an operat…
