Farrah had a lesbian affair in the past
She tells Amy "If you can be with a boy why wouldn't you? It's so much easier" This indicates that she made a choice between a girl and a "normal" lifestyle at some point. She made the "easy" choice.
Liam's grandfather is also his fatherWhich is the real reason his mother pretended to be his sister
.Because the relationships on this show are just that screwed up.
- Jossed in the 2B finale, as he now has a name to go on...and it's not Max Booker.
The "accidental" leak of most of the 2nd half of season 2 online was intentional.
It might have been a test to see if MTV would rather move the show off to Hulu full-time. Any flag in the ratings afterwards can easily be attributed to it, and thus not endanger the already-announced third season.
Karma and Shane had sex
After their threesome with Wade fell through. They and their clothes were far more disheveled than they were when Wade stopped things and both looked like they had done something deeply shameful. Plus it's the sort of weird crap this show would pull.