Q. I am going to a funeral mass for a friend’s elderly mother, who died after a long illness. This is my first Catholic funeral—I am not Catholic myself—and I feel uneasy about what to do (or not do) during the service. Can you give me some guidance? Also, do I have to attend the wake, as well as the funeral? Would it be disrespectful to skip the wake?    A. Any funeral can be anxiety-provoking. …