The Sugars look back on some of the most memorable letters and episodes of 2016. There are so many that they'll be doing this in two parts. This week, they discuss the feedback they received on "The Past is Present," they find out if the woman who called herself "Crazy and Confused Cat Lady" stayed with her boyfriend, they revisit the controversial two-part series on porn, they hear from "Minding the Gap" from the "May-December Romances" episode, and they talk to "Lost Somewhere in California," whose letter was the focus "…