I agree, that is very deep.
People makes jokes about shopping addiction - they even call it shopping therapy. And it's well known that it does make women feel better. I never stopped to consider why. I agree with you - it fills a deep need to feel appreciated, and sometimes even a transient monetary relationship with a sales clerk has the ability to make you feel better. I think it's also an attempt to meet society's expectations to be fashionable, up-to-date, and beautiful. If you don't feel beautiful inside, you may use shopping for fashionable items to feel beautiful outside. However, I've found the relief is fleeting, and the shopping needs to be repeated.
I don't know much about color therapy. I do know that in 1990, everything that I bought or owned was royal blue. At one point everything was black. These days, it's lime green that I reach for. I'd like to hear more about color therapy.
I'm so glad that I no longer have any credit cards.