Q. I’d like to run an in memoriam for my late husband in the newspaper obituary section. Is there any time limit?  (My husband died four years ago.)  What should I say, and when is the best time to do it? There’s no expiration date for loving and remembering someone dear to you. I’ve seen in memoriams for people who died nine years ago, 20 years ago—or more. They are public declarations that this…