How to start repairing your life after the horrors that you witnessed aboard the Prometheus? First repair David. After a few weeks he was functioning properly again. You were diligent as he was your one and only companion now. So not a hair was out of place. You spent hours upon hours working on him...and might as well fix a bit of his unpredictable concerning programming too. The codes were entered to make him more stable and safer...calmer...more peaceful.
You power him on and his crystal blue eyes widen and soften upon seeing you with an innocence that wasn't previously there. What once seemed like a nightmare being stranded on a planet with a psychotic android with a god complex now morphed into being on your own private paradise with David.
He smiles at you and reaches out for you gently. "Hello, dear..." He murmers softly. "Thank you for fixing me...I feel better..."