"I'm really upset. I can't believe it. I think we have to restart the game and do things differently... but that's football. Deep down, I think this will help us come back stronger and do things differently," lamented Aitana Bonmatí after Barça's defeat in the Champions League final. "These 90 minutes don't define what our season has been like. We didn't have a great game, but people know that in a final this can happen. Next season, these players and I as coach will try again," added the Barcelona native, addressing rumors that could cast doubt on his continuity. Romeu is one of the main suspects in the defeat to Arsenal, but not the only one. Below are three key points to understanding Barça's disappointment in Lisbon.