Modern life is replace every ten years, kitchens, windows, garden makeovers, three peice suites.
Your flat screen telly needs replaceing for a better one every three years.
We're getting older and can remember when people used to darn socks (i sell socks) but you'd laught if someone did that now. Think about your wardrobe, wear a tee shirt four times for best at most.
It's called consumerism. And the other thing is when they do want windows kitchens etc they are required immediatly.