How do you feel today?

It's the same question I answer over and over again every day, and I'm intrigued by the different answers I get depending on the situation and time of day.How do you feel today? is a interactive web page inspired by the German phrase 'wie gehts dir?' - How are you?.
Each day, a shape is generated based on a different measure, and when the user records a week, they can see a collage of the generated shapes. With this, users can reflect on their own emotional changes over the course of the week, and compare their friends' weeks.