It's that time again. The Hunger Games is everywhere, from fiery bus adverts and 2-4-1 pizza offers to people in sleeping bags outside Leicester Square for last night's premiere. We've never been more excited. We watched Mockingjay Part 1 at the weekend (it's the best and most stressful Hunger Games yet) and headed to the press conference to try and become BFFs with J-Law. 

Here are three things we learned…