I have the opposite problem: I am the younger guy, and my older friend has been buying guitars at a rate of about 1 every other month for the past 3 years ... like expensive / fancy ones. I think he is having fun after just retired but also a little antsy and needing to put his energy somewhere. He's probably in the 80+ guitars range which seems crazy to me. Nothing I say has ever swayed him. Buying stuff gives you a high, and it's easier than practicing and playing, so it will continue to happen unless that person decides to limit themselves. I totally agree with @ZiggyStarrdust that consumerism is a real barrier to happiness. I was much more productive when I didn't have so many material possessions to think about (and no money to get more).