Walking across campus made me feel sad, and I thought to myself, I wasn't happy there. Then, after reading, we walked past Butler Library. It was dark, but the light inside illuminated the windows. Students were reading and working, and those lit windows gave me a wonderful, weightless feeling. I understood for the first time how happy I had been there - in the library.
Siri Hustvedt, A Plea for Eros: Essays
happiness