SENSE & SENSITIVITY DEAR HARRIETTE: It seems like everybody in my house has come down with a cold or something. My son is barking like a dog, as my mother used to say. It seems like a regular cold, but I know he should rest. He is worried that he is going to miss an important test in school. He is also afraid that if he goes to school, he may end up getting other kids sick. He went in one day alre…