SENSE & SENSITIVITY DEAR HARRIETTE: My husband and I went to visit good friends we hadn’t seen in a year. We’d heard that the husband wasn’t feeling well, but I assumed he had a cold or something. When we saw him, we were shocked. He has lost a ton of weight, and he looks frail. We were as loving as always, but it shook us to our core. We don’t quite know what to do to support them during what is …