"You have been very kind to us and helped to make our vacation enjoyable.

We enjoy harmless fun as well as yourselves.

I might add that we haven't fully exhausted our resources, either.

And we wish to thank you for warning us of your intentions." The boys blushed sheepishly.
"Sam, you'd better keep still," suggested George.
"That's what I say," nodded Larry.
"Yeth, he talkth too much," agreed Tommy wisely.

"But you ought to have been with uth.