of you swimming in the river when you was a child or a teenager', and the sound of the water and you just shut your head off and you just get this picture and see it, if you just shut your eyes you can see it and you can see the bend in the river where we all used to go and swim and you're laid there with your fingers outstretched and you're just totally completely relaxed, you can do it if you think hard enough about it.
and then you start thinking about all the things that you used to do in the river and all the time you're laid 