Colin, a447 raises a very good point.I avoid touts who are local but would prefer, if hiring, a local. You only told us that you live and work in Bangkok. Where are you from? What is your skill set - all legitimate questions?
I'm sure that reply was originally from Carry Grants agent but it's good you can adapt it and most people probably don't know the origin of it anyway so it's all good.
According to his LINE ID photo, he seems to be a Chinese guy in his thirties.
Shoe size 34?
He's probably a gay Cinderella.