And that's completely fine. If you want to fly or go further away, go for it, but if you don't, that's fine too. I saw you wrote earlier that you didn't imagine you'd go abroad, so look how far you've come to be able to visit Europe! I agree with Pulisa - it has to be about what's right for you at the time.
Really well done for touching the car door Now, live with your anxiety about the door handle and wait for it to pass. Use relaxation, distraction etc. Then do it again.