By Alex Lauer In today’s installment of Money Can’t Buy You Happiness, But It Can Buy That, a historic lift bridge in Rotterdam that was once promised to never be dismantled again will indeed be dismantled again to make way for Jeff Bezos’s $500 million megayacht. As we noted last summer, 58-year-old Bezos hired the Dutch yacht builder Oceanco to build him not just one, but two yachts — one called the Y721 that will become the largest sailing yacht in the world and a smaller supporting vessel with a helipad. Now, Jalopnik has pointed us to English-language site DutchNews.nl, which reported tha…