as you are housebound keep listening to the teachings and getting DI over and over. You may or may not "get it" the first time around. Just keep at it. Once you "get it", you will know. Then just keep at it, developing it. Keep observing yourself. If necessary use whatever secondary practice is needed to help in your development of that. However, dont make the mistake I did and get caught up in the secondary practices. Rinpoche on almost every webcast says that he never tells anyone to do anything except Guruyoga..."Relax, be Present, do Guruyoga", and that you can do Song of Vajra to help integrate what you have been shown. Took me a couple of years to actually hear that.
Good luck brother
"But if you know how to observe yourself, you will discover your real nature, the primordial state, the state of Guruyoga, and then all will become clear because you will have discovered everything"-Namkhai Norbu Rinpoche