why is willy's mood upbeat at the start of act two?

The American dream is not working out for Willy. After feeling disillusioned, Willy gets excited about the prospects of his sons opening a sporting goods store. Willy imagines everything working out. Willy imagines that Biff will get the loan and that the store will become a success. He also imagines that he will get a new job where he doesn't have to travel.