Frank had known Edward a long time, and although their past life seemed like an alternate reality at this point, he felt as if they could trust each other with anything. That’s why Frank felt so torn about keeping Phileas's secret from him. The doctor had more or less promised him that they wouldn't be hurt while they stayed there, and Frank really had no choice but to trust the cannibal at this point. Not only were they indebted him - now, they were also at his ...