andy and hope lombard spotted the wreck just in time. how much time do you think you had left? >> i found out today that the doctors told my parents i had about eight hours left. >> reporter: kristin said one thing kept her fighting to stay alive. actually, there were four. >> i had to keep going because they need a mom. i couldn't leave my kids. >> reporter: the next few weeks, kristin will spend in the hospital with prosthetic legs she'll learn to walk again. >> somehow i needed to have this happen for me to realize something. and what that something is yet, i don't know. but i will figure it out. >> reporter: clayton sandell, abc news, denver. >> tough woman, right? >> wow. you know, there are so many questions when you see that story. you think why didn't she lay on the horn? why didn't she flash her lights or do anything like that. she couldn't, the battery of her car was 30 feet away from her car. nothing was working. >> she went down 14 stories. wow. >> even if she came out what was