(Image/HuffPost) We pulled into our parking space in Florida’s version of the “happiest place on earth,” and all of my insides were knotted up. In my left pocket was the most expensive thing I’d ever bought—a pretty pear-shaped diamond engagement ring I’d been secretly paying off for months. This felt like the place. Disney World’s Magic Kingdom. She loved Disney. This felt like the time. The Fourth of July. She loved fireworks. I wasn’t tense because I was planning a…