[He's quiet for a moment, as if to seriously consider her question along with the play. Even with operas and plays, a happy ending is actually not so common, with a tragedy just as likely. However...]

They are fighting against fate...which is a tall order. However...

[His head turns slightly more towards her.]

If they are able to meet again in another world, and so long as they have the will to work together... I think they can beat it.

[While his answer is for the play, it would be difficult to not catch the double meaning in them. Of the reflection of their own situation. Of his own endeavors to fight fate.]