Margaret: It's your firm's annual dinner on Saturday, isn't it?
Theresa: Yes, but I really don't feel like going.
Margaret: .....
Theresa: That's true, but I can't help thinking I'll regret it if I don't go.
Well, it's not compulsory to attend, so you don't have to.
Why not? It's at a superb hotel and I think you'll have a great time.
If I were you, I'd call them on Saturday and say my mother was sick.
You need to improve your attitude if you want to succeed.
It's only one evening and it'll probably finish reasonably early.