What was grandpa Joe reaction to five golden tickets in charlie and the chocolate factory?

Grandpa Joe was overjoyed and filled with excitement upon hearing about the five golden tickets found in Charlie and the Chocolate Factory. He expressed his enthusiasm for the incredible opportunity to visit Willy Wonka's chocolate factory, reminiscing about the wonders of chocolate and his own childhood. Grandpa Joe's excitement was contagious, inspiring Charlie to dream of the possibilities and the adventure that lay ahead.