As a married man, I'm wary of going to lunch alone with someone of the opposite sex - for most of the reasons in the article. Not because I would say or do anything inappropriate but for two reasons - the appearance of impropriety and it's way too easy to get caught up in emotional affairs and to take your eye of the ball in your own relationship. If for no other reason is that it's easy to get caught up in how great your coworker is - you work with them everyday, you by definition have a lot in common, and your work relationship is "easy". You don't have to worry about all of the compromises and stresses that are involved in maintaining a household and you only see each other's best self.<p>On the other hand, if I did have both male and female reports, I would treat them all equally - no solo lunch meetings, no late nights alone, etc.<p>When I was single, and most of my coworkers were single it was a lot different.