I went on vacation with my parents, who are in their 70s, and my best friend. It's one of the best trips I've taken in a long time.Lauren BreedloveMy best friend and I, who are in our 40s, joined my parents on vacation in Florida.Our multigenerational trip felt nostalgic, and it was nice to spend time together as a group.Discovering new places and visiting old ones was a blast, too, and I wish we'd done this sooner.My best friend and I leave a t…