1. Objects finally 'clicking' into place for me. 2. Being an early adopter of Tulip (later renamed asyncio) and gaining an understanding of the event loop and

1. Objects finally 'clicking' into place for me. 2. Being an early adopter of Tulip (later renamed asyncio) and gaining an understanding of the event loop and concurrency without threads. 3. Understanding that all code is just a particular representation of some S-expresssion.