I sort of suspect that the human body LOVES fat. I think our bodies horde fat for the famine that is coming up. Of course, famine never comes for most of us.
As to the references, you can find nearly all of this information in almost any introductory Biochemistry text. Of course, it would take you a long time to make any sense out of it.
And if you think the introductory texts are hard to make sense of, you ought to try reading the original research papers which generally assume that you are an expert.