John Travolta

Something can happen in your life, and you might want and need something different from your spouse. Most people forget that you have to create relationships. The allure of the first years settles down, and at that moment, you better start creating it; otherwise, you're going to lose out.

The historical novelist has to consider what has actually happened, while the SF writer is dealing in possibilities, but they are both in the business of imagining a world unlike our own and yet connected to it.