You are having a issue about constantly thinking about your best friends step-mom and every time you go round to your friends house your thoughts turn into erections. So you have come to see someone in regards to the problem in hope that you can resolve the issue or at least get rid of the erections while in front of your friend and his step-mom. But the Dr you have cum to see is of the same age of your best friends step-mom and she is very attractive and very persuasive so this might take a few visits.