Love notes help a relationship by communicating to the partner the importance the writer places on the couple's relationship. Writing a note communicates more feelings in a more personable way than communicating by other methods such as text message or social media.
Writing a love note tells a person that her partner thinks enough of her and the relationship to take the time to write a note. It also helps both partners maintain open communication by sharing intimate details about the relationship. A note provides an opportunity for the writer to express his appreciation for the things that his partner does to help in daily life. When a partner writes a love note, the recipient has the opportunity to keep the note and refer to it if she needs reassurance or if she questions the relationship.