['I recently was very shocked and happy to find my husband had cleaned the entire house', "That was sweet of him!  Were you shocked because that's something that never happens?", 'Yes! I was out with some friends and have never come home to a house being so clean after an outing with friends!']
I guess you need to go out more often so he can keep surprising you.
I recently was very shocked and happy to find my husband had cleaned the entire house while I was out with friends.