Jealous Much?

Brooklin Montenegro attended an All Time Low concert and the boys thought she was gorgeous so they asked her to be their merch girl, she flirts wiht all of them even though two of them are in a relationship she can still flirt. At a concert in New York the boys of All Time Low find a new girl and hire her as their other merch girl, what will happen to Brooklin when the boys are no longer focused on her?