Don'ts of a salesperson

Rule # 1 - Do not touch me. No, not a tap on the shoulder neither a pat on the arm. You will get a killing glare. *Touch me again and you shall suffer*
Rule # 2 - When I say no, I mean NO. Do not pester or follow me.
Rule # 3 - Do not talk back to me. When I said no money, do not say, "Wah, got money to buy Starbucks, no money to buy this?". How I use my money is none of your f**ing business.
Rule # 4 - Do not stand on the top of the escalator, or even worse, go up the escalator, to stand beside me and bug me non stop. Don't be such a desperado...
Rule # 5 - When I say NO to your colleague, it means NO to you as well. NO need to try your luck. Unless you look like Lee Hom la...