Aorox: It seems that to the second point as long as they don't mention prices people understand it's a trust trade as there is no guarantee that the person you're doing it with will reciprocate. The idea was they were supposed to be fun but people don't see it that way go figure.
When the day becomes the night and the sky becomes the sea, when the clock strikes heavy and there’s no time for tea; and in our darkest hour, before my final rhyme, she will come back home to Wonderland and turn back the hands of time.