Everything you need to understand or teach We'll Always Have Summer by Jenny Han.
We'll Always Have Summer is the third novel in Jenny Han's Summer trilogy. Belly grew up spending her summers at the beach house in Cousins with the Fisher brothers, Conrad and Jeremiah. When Belly and Jeremiah decide to get married, they return to the beach house to prepare for the event. However, spending time around Conrad while planning a wedding with Jeremiah is more complicated than Belly expected. The novel explores memory, family, recklessness, sibling rivalry, and growing up.