Was what she said about the 163 blowjob's true..

Humorous.

That line is one of the funniest in the entire film because of the buildup up until that point. Erin thought her other law partners expected her to give a long-winded explanation of clients' histories, over-explanation, etc so she jumped the gun and made a joke about their expectations of her to begin with. She always thought that since she didn't have a law degree that people wouldn't take her seriously unless she used her body. "163 blowjobs" is a play on that expectation - she had piles and piles of personally verified documents, completed through gumption and steadfastness (not sexual favors).

The way she dress, she looked the type who would do this way, hana