The author expresses their deep love and longing for the person they are writing to. They describe how meeting this person filled them with warmth and new feelings. While their love is forbidden, as they have both promised themselves to others, they treasure the stolen moments they share together. The author hopes that if their hearts must part in the future, the recipient will remember their wonderful memories together and know that a part of the author will always be with them, as their love remains secret but lasting.