1. Love the old forest for birds: borrow the artistic conception of the poem "Love the old forest for birds and miss the old forest for pond fish" to express the attachment between lovers.
2. Continuous Philip Burkart Road: From the poem "Continuous Philip Burkart Road, this feeling cannot be eliminated", which means that the love between lovers is continuous.
3. Chang 'an has a hometown: borrow the artistic conception of the poem "Chang 'an has a hometown, and the hometown belongs to Chang 'an" to express the sense of belonging between couples.