More on the Mad Men Writers - S04E08Small things leap up.
Dr. Faye, when setting her own terms for a date with Don, responds to his suggestions of Saturday Night with "Not normally, but you're in luck." (She does know to a degree her own value.)
During that date she asserts that when she is out of sorts, she just has to look into her calendar to see that something significant is usually on the horizon. I guess not this time, after dumping the boyfriend that expects her to cook for him.