It feels good to make other people feel good, and being generous with words of affirmation is an easy way to do it. Telling a friend that he’s wearing a great watch or how you envy his people skills takes only a few seconds, but he’ll carry the warmth of that compliment for the rest of the day. He may even recall it for years to come. And there’s no need to overthink it: The best compliments to give a guy tend to be straightforward words of praise. The men in your life—...