DEAR ABBY: My sister-in-law, a mother of four, just had a miscarriage at five months. I have no idea what to say to her or my nieces and nephews. “Sorry” doesn’t seem to suffice. Her 6-year-old was ecstatic about the new baby. The family is crushed. My husband (her brother) was in tears, and I didn’t know what to say to him either. I have never been able to easily express my emotions. In emotional situations I just go blank and my mind shuts down. I am always at a loss for words, and I feel like it’s disconnecting me ...