I go on expeditions for the same reason an estate agent sells houses - to pay the bills.
Property is not the sacred right. When a rich man becomes poor it is a misfortune, it is not a moral evil. When a poor man becomes destitute, it is a moral evil, teeming with consequences and injurious to society and morality.
I think we both have some darkness in us. But when we are together, we tend to concentrate more on the light.