You shouldn't take someone's things.
Gretchen is at her friend Kara's house discussing Kara's upcoming job interview when she notices a new blazer in her closet.
Gretchen wants to try on Kara's new blazer.
Gretchen asks Kara if she can try her blazer on.
While Kara is in the bathroom, Gretchen puts the blazer into her bag, so she can try it on at home.
Kara tells Gretchen she can try the blazer on as soon as her interview is over.
On the day of her interview, Kara has no blazer to wear and is unable to dress professionally.