Two people were very close as children but they've grown apart. They've both become isolated and cold, since they built a very sturdy ice structure, likely to protect themselves from hurt. But they share a secret, the singer knows that this other person can love her very well, as his/her heart gets so loud she can hear it from millions of miles away. Therefore she is coming to get that person by any means necessary!
Two people were very close as children but they've grown apart. They've both become isolated and cold, since they built a very sturdy ice structure, likely to protect themselves from hurt. But they share a secret, the singer knows that this other person can love her very well, as his/her heart gets so loud she can hear it from millions of miles away. Therefore she is coming to get that person by any means necessary!