I think you were very honest w/him about how you are feeling. Now, just let it be and if he brings it up again, then you will need to decide if you are strong enough to have a discussion w/him about whatever is on his mind.
Now, it's time to put the focus on you and your family and most of all....getting through the holidays. Think about creating some new traditions this year. Shake things up a bit in your home by decorating in your style and visit family and friends or invite them over for a bit.
You've got this.
Sit quietly, the answers will reveal themselves when you least expect them to. The past is gone, the present is a gift and you need to focus on today, allow the future to reveal itself when it is ready.