Under no illusions...

"Derren, I've got to level with you - I thought your 'Hero at 30,000 feet' show was bad.  Really, really bad. "
"Did you?"
"Yep."
"But did you?"
"Uh-huh."
"Yes, but did you?"
"Derren, now listen to me.  Listen to me carefully.  In fact - to help you understand I am going to tap out the letters - you'll be familiar with this technique - your show was S (tap) H (tap) I (tap) T (tap)."