Please call you son. Ask how he’s doing. He recently lost his mother and may need to be prompted to talk about his feelings, and may be hesitant to ask you how you’re doing.
They were prepared. They did think it through. The unexpected sometimes happen and we can’t be prepared for all contingencies. Read http://www.washingtonpost.com/blogs/she-the-people/wp/2014/04/15/a-high-seas-adventure-with-a-baby-that-didnt-end-in-disaster/ for a different view.
Congratulations!!