The cue comes from The Sims 2, the 2004 life simulation game from Maxis and Electronic Arts, where romantic interactions between Sims trigger tender musical moments that underline their growing relationship. As clips from the game were shared on video platforms and soundboards, this falling-in-love theme became shorthand for romance in fan edits, reaction videos and nostalgic gameplay compilations. It remains popular because it is instantly recognisable to longtime players and conveys affection clearly, even to viewers who have never played the game.