http://www.newyorker.com/magazine/2014/11/10/love-physicshttp://www.nytimes.com/2014/11/21/opinion/david-brooks-interstellar-love-and-gravity.html?_r=0http://www.tor.com/blogs/2014/11/love-in-sci-fi-interstellar-speechThere were specific references to love as the force of gravity between people.