Why do you list sources not in the text? I see that you do this not only in this post. What are you, dear @Bell_curve, experimenting with? Why is a post of mine in the list? Why is the comment outlawed?

Don't move. Reaction time is a factor in this, so please pay attention. Answer quickly as you can.

You're watching TV. Suddenly you realise there's a wasp crawling on your arm. You...