What did jocelyn decide after clary was late from the pandemonium

Jocelyn decided to take a vacation to Luke's farm for the rest of the summer, but Clary was upset about this. She did not want to leave. Instead, she stormed out of the apartment, and went the Eric's poetry slam. There, with Simon, she meets Jace again. I won't spoil it for you, but if you have any more questions about this book, just PM me!