This isn't high school. Backtracking is for teenagers. BE SURE about what you say. You can be SURE and be nice at the same time. No need to be a bitch unless you are SURE that you have gotten the point across MULTIPLE times the nice & firm way. Getting your point across is not just talking... it is FINISHING the conversation by asking him "Do you unnderstand me?"

Speaking of nice and firm... what choo doin? LOL