If you sincerely love a person, then you need to tell him about it more often. Better yet, back up your words with actions. For example, gifts. In the modern world there are a lot of gift ideas for all occasions https://www.khaleejtimes.com/lifestyle/eid-al-fitr-2024-18-last-minute-gift-ideas-for-friends-and-family . So you are sure to choose something.