Nearer to the full moon, an uptick in serotonin increases self-awareness, generating both high focus and high energy. Serotonin, the chemical that gets boosted by drugs like Prozac, is thought to communicate the abundance or dearth of food resources to our brain. 'When under its influence we can feel euphoric, spontaneous, and yet composed and sedate. Whereas acetylcholine worked to anchor us to our physical world, serotonin buoys us to the mental realm, allowing us to experience the physical world from an embodied, more lucid vantage point. We actually benefit from solitude at this time, as when an artist finds his muse.'