Strip the willow, knacker the knees

Went to a friend's 50th birthday bash last night, where a ceilidh band had us dancing for hours. Most of the steps I could pick up, but it's always the bit where you waltz your partner around in a circle that catches me out. Never had any dance training and thus don't know where my feet should be going. Still, enthusiasm wins through where precision would be more helpful. I'm sure there's probably some parallel I could draw between ceilidh dancing and screenwriting, but right not my knees hurt and I need a cup of coffee. Feel free to create your own allusions.