As I was describing the way the powers should work, I realised that perhaps Robert's power was to direct as well. So I changed it. Now it reads: 
[i]For just a second, your thoughts were drifting somewhere else. You weren't paying attention you didn't watch where you were going. And now you walked into that lamppost, or cut yourself with the scissors. You stumbled, you hit your thumb with the hammer. Just your luck.[/i]