ebook? Paper book? Both?

Most of the books I buy and read are ebooks; I make it a point, in fact, to buy the ebooks if they are available.
If you were paying attention to the previous sentence, I only said “most” of the books I buy are ebooks.
My house is overflowing with the old-fashioned dead-tree variety of books. I’m actually not quite sure how many physical books I have—three thousand is a conservative estimate. And their number keeps growing by the dozens each and every year.