Guillotine Chokes, Returning from Injury & White Belt Tips for better BJJ

When was the last time you fell Victim to a Guillotine Choke? A friend of the podcast with a strange accent calls out JT for the truth. Recovering from a knee surgery how do you make it back it back to the mats? What is the right way to transition from rehab exercises to actual BJJ specific movements.
When you are a new white belt and new to the BJJ game how much should you train and what can you do to speed up your progress? What are the small extra work you can do to accelerate your game?