Lena Dunham breaks down a harrowing flashback episode of Netflix's "Too Much," which explains why Jessica (Megan Stalter) is the way she is.

Light spoilers for Too Much ahead.,Lena Dunham spent the majority of the Girls run (and even the years after) insisting that her breakout HBO sitcom was not autobiographical — she was not Hannah Horvath,

Lena Dunham unpacks her TV return for "Too Much" and why she wanted to get personal again with her Netflix series.