a once for bbidden affair once shrouded in secrecy, now on full display. >> he's wonderful.f he does have flaws, i adore them. >> love everything about her. literally everything. >> just one day after sarah's emotional guilty plea. >> i had sexual contact, including sexual intercourse with cody york in kenton county, kentucky, while he was a student and i was a teacher at dixie heights high school. >> she sat down with cody york, her boyfriend, for an exclusive interview. >> is sarah a good girlfriend? >> she's the best girlfriend. >> why? what makes her the best girlfriend? >> because she's so nice. she doesn't get mad, you know. >> we haven't been around each other a lot, so -- >> just wait. >> just wait, right? >> they say it's the kind of time they have shared that really matters. >> he's seen the bad side of me. he's seen me break down and be at my lowest. if you can love someone at their lows, that says a lot. if you can love somebody after you've seen my mug shot, that's big right there. he said, sarah, you look so beautiful in your mug shot. that's how i know he love