For those that are actually loving the rise in this U.S. financial market, Warren Buffett has some pretty cheeky advice to share in his annual letter to the Berkshire Hathaway shareholders. He was remembering the late Barton Biggs, the first and foremost global investment strategist, when he opined on times like these in the marketplace; so, Buffett wanted to quote him: "A bull market is like sex. It feels best just before it ends." Now, as much as the thought of Warren Buffett and saying the word "sex" in the same sentence is weird and uncomfortable I have to say, Buffett with this comparison, actually has a point, says Dawn Bennett, Founder of Bennett Group Financial Services. She goes on to say the following: