Before Newton, time for humanity was the way of counting how things changed. Before him, no one had thought it possible that a time independent of things could exist. Don't take your intuitions and ideas to be 'natural': they are often the products of the ideas of audacious thinkers who came before us.
Our moral values, our emotions, our loves are no less real for being part of nature, for being shared with the animal world, or fore being determined by the evolution that our species has undergone over millions of years. Rather, they are more valuable as a result of this: they are real.