Grade_3 - Apologies then!
I've recently met several people who think they should work for nothing, and that those of us who don't are greedy and do not deserve jobs!( I was sorely tempted to punch one but its difficult at 3000' in a light a/c).
Instructing is great fun and maybe more people would make a career of it if they were paid a living wage.Still at least you get to fly Down Under!