Why do some in-laws ignore boundaries, and how can you enforce them without hurting relationships?

What’s the secret to building a bond with a shy or skittish cat? Are there specific actions or behaviors that help them open up?
What are some signs that it's time to have a tough conversation or "showdown" with your in-laws, and how should you prepare for it?
What makes a celebrity encounter memorable for fans, especially when it's with someone as iconic as Muhammad Ali?