DEAR ABBY: I missed the funeral of a long-time family friend, “Tom,” because I foolishly relied on one of my relatives to let me know when the service was and she didn’t. I had to go out of town two days after Tom died, but I should have called someone before I left so I could revise my travel plans. I was so sure my family would let me know. Out of embarrassment, I compounded the mistake by not contacting Tom’s sister when I returned two days later and realized I had missed everything. When I finally spoke with her, she ...