The main idea of this paragraph is that there are different definitions of the word love. It can be forced like in a Midsummer Night's Dream (although it didn't happen in the story it almost did), or it can be a strong passion for someone (Romeo and Juliet great example), and when the paragraph says connecting families, one example would be a king of England's (forgot which one) daughter married a distant relative.
Answer:
Textual evidence is information stated in a given text that is used to support inferences, claims and assertions made by a student or researcher. Textual evidence often requires a large amount of critical thinking, especially when dealing with inferred evidence.