I’ve always hated the term “What’s done is done.” Then again, I’ve never really liked finite endings, either. When we have a serious relationship with someone—whether it’s a friendship, a romance, or anything in between—we create memories. A whole slew of memories. And memories are pretty powerful things that don’t always remain in the past. Sometimes, they creep into our present to remind us of something. (Maybe it’s something we once had or maybe it’s something we *never* had.)  A missed connection. A regret. Something...