Keeping the pen out of your hand as much as possible is the best way to write a song, in my estimation. But the pen must come in to tighten it up.
Most actors spend a lot of time training themselves to be an actor. And I kind of didn't do that. I just started doin' it in front of an audience and had to deliver.
I know it may seem surprising to people, but learning dialog that has a conversational flow to it is not that difficult.