Congrats on kicking the drinking habit. That's a feat in itself. Make sure to take those meds if you still need them. Both hypertension and diabetes can take a toll on your body.
Regarding her: she will have moments of clarity, especially if the drama between you two is at a standstill. You are her plan B, and she will reach out to keep you hooked. As for the car: best case--she is genuinely concerned. Worst case--she was snooping through it and had a ready-made excuse in case you found out. Keep your guard up and do not trust much of what she says.
Lastly, the phrase "I don't know if she believed me" should be erased from your vocabulary. Let her mind wander and always say less than necessary.
