Luke: His problem is obvious. It's his mother. We never could count on Liz for anything. Our mom died when we were kids, right? It was just my dad, me, and Liz. My dad worked all the time and I worked in the store with my dad and Liz was off doing God knows what.
Lorelai: I bet losing her mom so early was hard on her.
Luke: It was hard on all of us but we did our part. And the minute she graduates high school, she is out of here. Didn't matter that my dad was sick. Didn't matter that the store was failing. She just took off. Married the hot dog king, had a kid, he left. Now here we are.