Dear Eric: One of my relatives is a young lady in her early 30s. She’s gainfully employed and is in a year-long relationship. She would like to marry her friend who is about her age and also has a career. So far, no ring. My theory, which I’m not sharing with her, is that if a man has been with a woman for this long without a commitment to marriage, he is using her as a convenience and she should move on. Any thoughts? ...read more read less