That sounds so scary! A similar situation happened to my mom. If I remember correctly, a teen driver was driving to the high school and cut my mom off, she swerved, drove directly in between two structures of some sort, then rolled headfirst multiple times. She walked away without a scratch, but she now fears being a passenger--it's too stressful for her to not be in control. After the accident she bought a manual and she said that really helped her get over her fears.

I have always wanted to take defensive driving lessons, but I've always been too poor to take the classes and the ones I've looked into were too far away. But I think it's very important to learn.