The context of the following conversation is When Cameron's friends were arguing about who won the game, Cameron took sides.:
Cameron says Why do they argue so much? It is a simple game.
The friend responds You know well what they're like, they have competitiveness in our blood.
Cameron responds Sometimes fighting over this makes them look really dumb.
The friend responds You better not give them your opinion.
Cameron responds I have sadly, I've taken sides..
The friend responds Oh no you didn't..