"I'm pissed off because we are supposed to be friends and we are supposed to share things with each other!"
Elizabeth would wonder later why she was getting so angry about this. Yes, and and George had a... complicated relationship when it came to others and, yes, Elizabeth had a temper, but today in particular seemed even worse. She only knew right now that every fibre of her being felt furious with George's betrayal of her.
"And because apparently whoever this girlfriend of yours is," Elizabeth spat, "she's more entitled to know the going ons of your life than I am!"