Lit. green plum and bamboo horse Fig. childhood sweethearts There are thousands of Chinese idioms. They can be concise and straightforward. Other times, the origin of the idiom is impossible to glean without seeking the poem it was derived from. Luckily for Katie, there was a source in English through Quora. "It's from a classical Chinese poem by the famous poet Li Bai (701 AD - 762 AD). One section of the poem is about a woman recalling the good times she and her husband once had when they were both little children. Here is an English paraphrase by Xu Yuanchong: 'On bobby horse you came upon the scene, Around the well we played with plums still green. We lived, close neighbors on Riverside Lane, Carefree and innocent, we children twain.' " - https://www.quora.com/What-examples-exist-of-storied-or-poetic-Chinese-expressions While we grew up on a different named lane With different toys and trees We were fortunate to have grown up together Innocent and carefree. Now we're ready to start this new chapter! We can't wait to celebrate with all of you!