Step 4: Over-engineering the Entire System
Now that we've over-engineered every component, it's time to tie them all together like a mad scientist.
Introducing the infamous "System-O-Matic 9000", our proprietary software that ensures your system will never, ever, ever be simple.
Next Step: Over-engineering the UserOr, if you're feeling particularly adventurous, you can try to Over-engineer the User and the Cat.