While undergoing treatment, Carrey's character begins to regret his decision. As past events pass through his mind, he finds the sweet memories hard to let go of. While there may not be an actual "water of forgetfulness" in the real world, there is a "happy pill" that pulls people from the depths of their sorrows and improves their relationships.
電影中的主角在進行刪除的過程中後悔了，因為往事歷歷，一幕幕浮現腦海時，都成了甜蜜、溫馨、難以割捨的美好回憶… … 現實中雖然沒有忘情水，卻已有了讓人不再沈溺憂傷、且能改善人際關係的「快樂丸」──百憂解。