I doubt the possibility of a justified expectation of the pleasantness of a surprise. Any situation where information is being intentionally withheld by a human creates a higher prior probability that the surprise is unpleasant for the simple reason that the majority of humans find sharing good news a pleasant act and something they are more likely to do than sharing bad news. Thus, even if the eventual outcome is pleasant the anticipation of a negative outcome reduces the total fun involved both prior to the reveal because of anxiety and after the reveal ... (read more)
I doubt the possibility of a justified expectation of the pleasantness of a surprise. Any situation where information is being intentionally withheld by a human creates a higher prior probability that the surprise is unpleasant for the simple reason that the majority of humans find sharing good news a pleasant act and something they are more likely to do than sharing bad news. Thus, even if the eventual outcome is pleasant the anticipation of a negative outcome reduces the total fun involved both prior to the reveal because of anxiety and after the reveal ... (read more)