Missed a chance there Twr, if you had found an answer of his that was not understandable think how good you would have felt unless of course the challenge really was outside of your skill zone!
It happens to me sometimes when teaching, usually when teaching algebra. I give what I think is a good explanation but just get a response of " don't get it", so I try a different way, but if after about three attempts they still "don't get it " I leave it to another day, and next time they usually get it straight away.
Apart from the weather is there a statement which you make does not need explaining how you came to that point of view as everyone has and is entitled to their opinion