It's good to celebrate important times with good cheer.
Greg's wife is finishing her education and wants to celebrate with a night out, so she makes a reservation at a restaurant.
Greg wants to go with his wife to celebrate.
Greg goes to the dinner, makes several toasts to his wife's success, and works hard to enjoy the opportunity.
Greg goes with her but stays aloof from the festivities, watching from afar.
Greg's wife also has a good time and is grateful for all of Greg's support and enthusiasm.
Greg's wife thinks that something is wrong in him and is disappointed that he's apparently not happy for her.