I am curious, did he say why you couldn't use is more?
Sometimes I fail, sorry to say, to ask why they said what they said...."such as: "What type of harm or what are we trying to avoid by not doing it more than one time a day.?"
Wish we were always On Our Toes so to speak with the professionals to have the right question ready to inquire with them each time they say something and don't give an explanation.....it's like a parent telling a child not to do something without being kind enough to explain why they shouldn't do what they are doing." My take on it.
Barbara