Sentence examples for past me from inspiring English sources

"past me" is a correct and usable phrase in written English.
It is typically used to refer to oneself in a previous time or to contrast with one's current self. Here is an example: "Picking up old photographs always brings back memories of past me, the carefree teenager who had no idea what the future held." In this sentence, "past me" refers to the speaker's younger, more carefree self. The phrase can also be used in a more general sense, such as "That decision may have made sense to past me, but now I see things differently."