All they’d ever done was study, and they didn’t know how to just let go and enjoy themselves. So they’d go off to try and pass the civil servants exam or something. They were just pointlessly limiting their options for a. . .I dunno, a decent future. They meet the person they were supposed to fall in love with, but they don't recognize how valuable they would be, and without even noticing, they wind up missing out on the most important things in life.