They are always very quick to think that we are pulling something over on them. I'm glad you called and straightened him out.
He knew you wouldn't take him up on the offer of him helping you out financially on a new vehicle. If you had said yes, he would have run for the hills! He wanted to look like the nice guy in your eyes. You are smart not to take him up on the offer, especially if you are planning to split assets, etc.
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.