I love to watch films because, like books, you are completely and utterly immersed into a new world so far from your own it can be like living a short, wonderful second life. However, unlike books, films are quick and so the thrill of them only lasts a few hours. And so I suspect that much like the concept of taking drugs, watching films is like having a short blast of imagination to make you feel - anything. Whereas with books, as much as they are the most essential human necessity other than food, they take an investment of time. Characters you will have to spend days or weeks getting to know, depending on your reading speed, and stories whose endings are away in the distance and not definitely coming after an hour and 49 minutes.
Films are miniature worlds created for an audience unbeknown at the start of its creation but filled with absolute love from every writer, director, actor, producer involved. Without knowing the reaction it will receive a film relies on a band of people to give time in their life to create something to share with the rest of the world. If it flops, then a film hangs in a sort of limbo of a life that could have been lived, but if it succeeds then an international audience can connect through the world captured on the screen.
Sometimes, if the film is particularly wonderful, one can watch said film so many times the lines and scenes become a part of your mind and someone else's world and creation can make its way into your own heart. The rush of a good film is an experience of a connection with an artist you've never met, but have understood on one level of their being.
Unreal stories with unreal people in an unreal world can have a silly effect on my own world, but it feels wonderful all the same. And when I'm feeling down, or bored, or simply in the mood to watch a film, I can enter another realm for a short while. A realm entirely made up of every artistic medium available which, to me, is pretty beautiful.