In the restaurant, how does Happy reflect Willy's values?

After the conversation with Biff about his unsuccessful meeting with Bill Oliver, Happy tries tries to cover up the truth to protect Willy and keep his dreams intact. He says-

'Dad is never so happy as when he's looking forward to something!'

Biff is trying to tell th truth of the visit-

' Let's hold on to the facts tonight, Pop,'

But Happy indulges Willy's desire for his imaginary success for his son to be the truth-

WILLY: I'm out (driven) So tell he, he gave you a warm welcome?

HAPPY: Damn right!