Who said "I'm learning what it means to be true to myself."?

This quote is attributed to Betty Draper.

I'm learning what it means to be true to myself. - Betty Draper

"I'm learning what it means to be true to myself."

Betty Draper

"I'm trying to be a good mother and a good wife, but I'm not sure I'm succeeding at either."

"Don't tell me what to do. I'm a grown woman."

"I don't know how to say goodbye to people."

"You're going to have to learn that life isn't a love story."