We can learn about the main characters. For example, their personalities, like if one is adventurous and the other is more cautious. This can be seen through their actions or words in the snippets.
We can get a sense of the mood of the novel. If the snippets are full of laughter and light - hearted exchanges, the overall mood is probably positive and fun. However, if there are snippets with tense dialogues or emotional outbursts, it could be a more angsty or dramatic story. Also, we might be able to tell if the story is set in a particular time period or location. Maybe the snippets mention historical events or local landmarks.
From the snippets, we can understand the relationship dynamics. Are the characters in a love - hate relationship? Or is it a slow - burn romance? The snippets can show the progression of their feelings. If in one snippet they are just friends, and in another they have a deeper connection, it shows how the relationship is evolving. Additionally, we can learn about the author's use of language to create a romantic atmosphere, like using vivid descriptions of the characters' emotions or the setting.