It is not physically possible to drive from Boston to Monterey in 2 days, we're not even talking issues with safety or sleep. There are simply not enough hours in the day. In real world conditions, you're looking at 53 hours of driving!
I'm sorry, we hate to be discouraging, but your plans are just too far away from reality to be a serious starting point. As others have indicated, even at a speed run pace this is 5+ days of driving each way.
We encourage you to look into a roadtrip, but you need to first get a better sense on what is actually possible, and from Boston, 2 days of driving will only get you to the Mississippi River.