It's rarely productive to talk about "need". Do you really need indoor plumbing? Do you need a private bedroom? A broad variety of foods? After all, plenty of p

It's rarely productive to talk about "need". Do you really need indoor plumbing? Do you need a private bedroom? A broad variety of foods? After all, plenty of people in the less developed parts (and in the near past in the more developed parts) of the world get by without those just fine. The history of civilization is largely the history of the taming of nature to better suit the needs (and wants!) of humans.