I think it's fear of rejection. Fear that he'll say no to your suggestions. Do you feel this way when you ask someone else to do something w/you or is it just w/your h?
We all have the ability to make choices and one of the hardest things for me was to accept that my xh could make choices that that didn't include me. But, as time rolled along, I began to understand more and more about the freedom of making choices and if his choices didn't mesh w/mine, I realized that I would still be okay doing things solo.
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.