Your own kids may also be full of questions, such as why their friends' dad (or mom) isn't living at their house anymore or whether you're on the road to divorce, too.
Answer their specific questions as they arise ("Yes, Jen and Joe's dad lives in a different place now, but he still loves them very much") without trying to over explain.
Presuming that the four of you are all friends, try your best not to choose sides or leave either of them out in the cold.
"Divorcing spouses often find they lose friends and are excluded from events they normally attended, which is a shame," says Swann.
Keep in mind, too, that just because the news comes as a shock to you, the same might not apply for her; she may have been thinking about it, and discussing it with her spouse, for years before the announcement.