Imagine enjoying your favorite food, or the feeling of listening to your favourite music; a sunny Saturday morning after a good sleep, or the feeling of contentment after finishing a good book.These feelings of wellbeing, contentment and happiness can be represented — strangely enough — by a combination of geometric shapes: a hexagon connected to a pentagon with three branches.
![increase-serotonin](https://www.binauralbeatsmeditation.com/wp-content/uploads/2017/09/increase-serotonin.jpg)