Time passes. You take for granted you get the chance to see an old friend. To paraphrase, the real tragedies in life are the ones that blindside you on an idle Tuesday,” Lively wrote

Michelle Trachtenberg decided to "pull back from Hollywood" after her career as a child and teen star, a source exclusively tells PEOPLE, adding that leading up to Trachtenberg's unexpected death, she was more of a "recluse" but "always kind,