person A: My wife held a surprise birthday party for me. It was totally unexpected and I was shocked when I came home and so many people were there.
person B: That's awesome_comma_ I bet you were overjoyed with it!
person A: I couldn't believe that no one let the cat out of the bag. It must have been hard to plan.
person B: You never know if someone is going to slip and spoil it for you_comma_ that's true!