You don't use the things you buy.
Most of your credit cards are at or near their limits.
You frequently return things that you buy.
At first, shopping and buying makes you feel better. Later, you feel guilty and depressed about it.
You hide the fact that you went shopping from your spouse or friends.
You turn down social engagements and go shopping instead.
You put great value on your interactions with salespeople. If you aren't treated well, you feel upset.
When you feel upset, your first impulse is to go shopping.