in Crazy, homepage, Man, Woman, WOW Love it! I'm crying Got me mad! LOL! So cute What Happens When Identical Brothers Marry Identical Twin Sisters? by takingfive April 20, 2017, 1:28 am 87.2k Views Just to give you an idea of how rare twins are: In 2003, studies illustrated that around 3 of out 100 births are twins.