For writers, this is a question to ask ourselves when deciding the POV (point of view) in any scene we write. Usually whoever has the most to lose is who's head we need to be in for that scene. (I'm sure there are exceptions, but this is a general rule of thumb.)
When I applied this maxim to the above mentioned scene, I realized the other character in the scene, the one who the point of view character was talking to was really the one who had the most to lose. So I decided to start over in her POV. Guess what happened? The scene flowed ten times better, and I no longer felt stuck in how it was to unfold. The words came.
So if you're a writer and stuck in a scene, ask yourself who has the most to lose. It just might be a different character than you first imagined.