Divorce is often like this - especially for the person not asking for the divorce or separation. Frequently, there's a time gap between the person who asked for the divorce and the spouse receiving the news.
I needed to retreat from the world a little bit and think. While part of me feels like I need to explain that (the quiet time), the more significant part of me says, "no, it's OK."
When you broach the topic of divorce, the words you speak will start shaping the rest of your life, how your marriage ends and how the divorce process unfolds. And they're probably going to be profoundly memorable. It's worth your time to make sure what you say is what you want to be remembered.