I've read this twice and have some questions: 1. What's the context/goal of flagging relationship milestones? 2. What does a normal relationship milestone loo

I've read this twice and have some questions: 1. What's the context/goal of flagging relationship milestones? 2. What does a normal relationship milestone look like? 3. Who's the intended audience of this case study? (The prior 2 questions may be moot because I don't have the right background information.)