Is it an idiom to be lovelorn?

That is to say, from now on, get rid of those bad habits before, and stop surfing after playing enough, which is usually the prodigal son turning back. Sealing one's heart is to close one's heart and feelings and break one's love, generally referring to self-sealing after a big injury, and sealing one's heart is to close one's mind. This word is not an idiom, but a word created by modern people. The specific origin is unknown. Love is generally used to describe those who are hurt emotionally.