Used to symbolise prosperity, love and unity, coins have a long standing history within many wedding traditions across the world. Classic coin wedding traditions include:
His skin is too white, a consequence of spending most of his time in his armor. The Master Chief stands about seven feet (2.13 m) tall and weighs 1,000 pounds (450 kg) in armor; without it, he stands six feet, seven inches (2 m) tall and weighs 287 pounds (130 kg).
Rather, the end of the timeline should be in 2542, putting the Master Chief at a healthy 31--considering late in the novel that John reflects on how Dr. Halsey recruited him 25 years prior. 2517 plus 25 would be 2542, not 2552.