A 38 year old man consults you because he has recently booked a vasectomy with a private provider he found online. The consultation was conducted through Skype and he was told to look up on line via a search engine, everything associated with the procedure. The private provider will only perform the procedure as there will be no care or counselling before or after the procedure; this is to reduce the cost. He has found out online, all the information he thinks he needs but wants to run his research by you and he wants you to do his post operative care. Which of the following points of research he has found, is the only correct one ?