Oh, you could have just said touché, instead of frothing at the mouth.

Considering how catty you were I consider Silverboy's response was more measured than you deserved. I have been pulling his leg a bit(just some banter) but i have it through the grapevine that he's a good and well-qualified FT; of which I am neither - China is all great great fun for me(SB would not agree) and the teaching bit is a mere necessary evil.