human
How do I stop from buying things I don't need?
gpt
What kinds of things are you buying?
human
All kinds of things on sale
gpt
Do you buy something on sale once in a while, or do you buy things all the time even though they aren’t on sale?
human
I buy them because they are on sale though I might not need them.
gpt
What kind of things are you buying?  Are they actually things you want and need?  Or are they just impulse buys?
human
impulse buys
Are they large purchases or small purchases?
That’s the kind of behavior you want to change.  What can you do to stop yourself from making impulse buys?