Embodiments determine a user who is watching current content, receive content history of the user, calculate a consumption score (CS) based on series time, watch time, and consumption time of the content history, calculate a time to forget (TTF) threshold value based on the CS, the series time, and days since last viewed of the content history, compare the CS and the TTF threshold value to the current content watched by the user and current viewing habits of the user, and provide at least one suggestion to re-watch content of the content history based on the comparing.