After being rejected by Sasuke many times, Sakura was disheartened. She had an accident while out on a mission and her whereabouts were unknown. Tsunade, the Fifth Hokage, recalled all the ninjas who were on missions and tried their best to find Sakura. When he met her, he was a stranger to her, and she lost her memory...
Naruto pursues Sakura again, and the two of them have gone through all kinds of experiences and are finally together...
Purpose: If you meet someone who loves you wholeheartedly, you must hold on to it, and don't regret it if you lose it.