As an aspiring minimalist, I have definitely become less materialistic over the years, though I still have a long way to go.
Here’s a great blog post from Becoming Minimalist on how to get rid of the consumerist mindset.
“Becoming Minimalist was founded on and has remained true to one simple message: Owning less is better than pursuing more. Possessions do not equal joy—even worse, they often distract us from it.
“But to live this out on a daily basis, we must be mentally prepared to counter the pull and influence of consumerism.”