DEAR ABBY: My brother-in-law “Charles” has earned the privilege of being buried in a military cemetery. He lost his wife, “Claire,” to cancer 10 years ago; she is buried in their plot in the military cemetery with a headstone. Their children are all adults now. Charles has been seriously dating a divorcee, “Joyce,” and they are talking about marriage. Joyce feels that for him to be committed to her in marriage, they should have a plot together. It’s our understanding that only one wife is allowed to be buried in the military cemetery. This would mean Claire would have to ...