Originally Posted by Paco Nagata
Stanley, maybe the trick just didn't fit your personality.
I mean that maybe it wasn't the kind of trick that you would select for your personal repertoire.
This point of you encourages me to analyse and list the different reasons why a spectator wouldn't react to a great trick and performance (your personal case would fit the fourth one):
1- Shyness: the spectator is really amazed, but he/she may feel kind of embarrassed if expressing it too eagerly.
2- The spectator is a calm person by nature, so he/she don't react strongly to "anything."
3- The spectator is used to seeing YOUR great magic, so he/she just omit the reaction part.
4- The effect is very good and feel amazed, but don't delight him/her just because don't like particulary or don't quite understand it. For instance, a great Poker demonstration for spectator that are not interested in Poker or even don't know anything about Poker.
5- The spectator hates feel fooled, so don't react even he/she is astonished.