I can be a bit over protective and I want to send ds to swimming lessons over the six weeks, I will be able to sit in the spectators (which is a raised stand so should anything go wrong I will be unable to intervene),there are 10 lessons in my local swimming pool, I think it will help him learn to swim when taught by a professional although I don't think he will learn with 10 lessons while only 4, but I think it would be a bit of fun for the six weeks. What do you think good idea?