The context of the following conversation is Ash really wanted a new sweater but it was too expensive, then Ash found the item on sale.:
Ash says I've been checking out this new sweater for a couple of weeks now but it was too expensive.  I found it on sale..
The friend responds Did you buy it?.
Ash responds I haven't yet.  I am trying to be good with my money.  I really want it but do I really need it?.
The friend responds Is it another cardigan?.
Ash responds How did you guess?.
The friend responds You have cardigans in every single colour in your closet..