my sister got married 4 years ago, and at the time, big drama was happening in our family. my whole side of the family didnt go to her wedding, and she still holds it against us. im concerned because i may tie the knot soon, and dont know what to do about my sister. i want our relationship to work, but i dont know where to start. it seems like everything is fine on the surface, but i know its not underneath. help please!