No it is not. Our society is build around people living together are married. You get more rights (inheritance, euthanasia, etc) and benefits (pooling your taxe

No it is not. Our society is build around people living together are married. You get more rights (inheritance, euthanasia, etc) and benefits (pooling your taxes). It is that way because it was the default for a long time. Now it is shifting and it will take time for society to adjust to this new reality.