It's been discussed quite often in the past year in the UK why poorer people act like this. The conclusion tends to be that if you have little money buying luxuries makes you feel better. Obviously depending on the "luxury" additional factors come into play such as presuming people with money do what you are doing and relieving boredom.
I'm actually guilty of it as I use to relax my hair as a student once I left home, yet within 4 months of starting working in my profession I was natural which has cut down my hairdressing and hair product bills significantly.
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