if I want to do this then
  if it will likely end in disaster then
    if it will make a good story then
      do it
    else (not a good story)
      don't do it
  else (not disaster)
    do it
else (I don't want to)
  don't do it


if I want to do this {
  if it will likely end in disaster {
    if it will make a good story {
      do it
      }
    else (not a good story) {
      don't do it
      }
    }
  else (not disaster) {
    do it
    }
  }
else (I don't want to) {
  don't do it
}


if I want to do this {
  if it will likely end in disaster {
    if it will make a good story {
      do it
      }
    } else /* not disaster */ {
      do it
      }
  }