Secretly loving someone is another kind of romance. It may seem calm on the surface, but inside, your heart is already in turmoil.
Love is a feeling: wanting to be close to someone, wanting to treat them well. That's what Luo Luo thinks, and so does Xu Yiliang. It's just that they took several years to act on it.
Thankfully, it's not too late.
The sections before and after their reunion will probably have different writing styles, since the author wrote the two halves several years apart. In that time, the author grew and changed, and their feelings about love, family, and friendship changed too.