Statistically, he is likely to go first. Count the widows among your friends and acquaintances.
If she goes first, her DH (or DW for Dear Widower in that case) can read up all the things that HE doesn't know - how to use the washing machine, cook tasty and nourishing meals every day without slaving over a hot stove, remember family birthdays, choose clothes that go reasonably well together and sew on buttons when they fall off - all those little unimportant details that have kept his life running smoothly while he deals with the "important" things.
Home maintenance costs estimated by Kirsty
Did you have a romantic proposal of marriage ...And were you happy with it.?