You have a point there, and I think this is really good advice! Why being jealous and bother about how some people use their resources, when there are so much better thoughts to think and better things to do!
And to other commenters: Hairdressers are not the only costly expense in Finland, I remember paying about USD 8.4 (EUR 7.5) in Helsinki in 2006 for a glass of beer, I guess noadays it's probably more like 12 USD (EUR 10.7), right?