This post contains spoilers for both the second season of “The Summer I Turned Pretty” and the books the show is based on. I’ll admit it. I got sucked into watching “The Summer I Turned Pretty” on Amazon Prime when I saw multiple online discussions about it. I kept seeing references to the love triangle between Isabel “Belly” Conklin and brothers Jeremiah and Conrad Fisher reminding people of the ones on “The Vampire Diaries” and “Twilight” so of course I was intrigued. Fortunately for me, by the time I watched it, Season 2 had already been released so I could binge to my heart’s content. But wait! The series was based on a…