What we touch influences our behaviour. Really. Here's the article with links to the research. A person in a soft chair is influenced to be a less tough negotiator. Touching something hard leads test subjects to interpret other people as "rigid" in their behaviour.
So does reading a romance novel in bed make the book sexier reading?
And as writers, how does where we write and specifically, the type of chair we're sitting in, influence our writing style?
Full disclosure. I'm sitting on a hard wooden chair as I type this. Does this make my thinking inflexible? My writing wooden?