That english is mind boggling... no offence if it's not your first language, but if it is
Anyway, you need to work on your crowd/spectator control. You got to really exert confidence and superiority over your spectators, don't act like you're just another Joe Bloggs doing card tricks... you're a magician and you deserve respect, so act accordingly.
No one deserves respect, one must earn it.
Acting better than them is not the key either, that makes them want to skrew you up, more often than not.
You need to show you in control, learn how to handle the people. Pick up some books on the topic if needed.