My daughter Heidi flew in from California over Mother’s Day to spend time with me. Since her two boys weren’t along, we had the chance to dine out, visit Madison’s botanical garden, kayak the Wisconsin River, and have a memorial walk around the Spring Grove Cemetery. A few years ago, my husband and I debated if we should buy cemetery plots since it seemed like a wasteful use of land. Maybe you, too, are at the point of life where you discuss this. Cremation makes sense to us—it takes up only a small space—but after talking at length, he and…