Warning: The story you're about to read is currently unedited and contains some m/m themes, cultural misunderstanding and an awkward situation. And it contains some very minor spoilers of the episode: "Rockhoof and a Hardplace."
During the events of "Rockhoof and a Hardplace," the ancient hero tries out for other jobs to find out where he fits into modern society after the failure as a professor from the School of Friendship. In his stay in Ponyville, he decides to try out as a farmhoof at Sweet Apple Acres. While there and through a cultural misunderstanding, he thinks that Big Macintosh purposes something life-changing.
All from offering an apple pie.