When I first saw these amorous images, I thought supermodel Stephanie Seymour had taken a young lover. But—surprise!—that is actually her 18-year-old son. How close is too close when it comes to mothers and sons?

How Close Is Too Close Between Mother and Son?

Because this is awfully close. Especially the hand-boob action. (Benefit of doubt: Maybe it was an accident?) [Image via INF]

How Close Is Too Close Between Mother and Son?

But then, it continued. (Benefit of doubt: Paparazzi cameras take pictures really fast.) [Image via INF]

How Close Is Too Close Between Mother and Son?

Maybe he wasn't kissing her, but "whispering into her mouth"? [Image via INF]

How Close Is Too Close Between Mother and Son?

He looks just like her. Familial love as narcissism? [Image via INF]

How Close Is Too Close Between Mother and Son?

Here's a moment that will haunt him forever. As commenter sarasasa notes, "having a hot model mom as a teenage boy must be confusing." [Image via INF]

How Close Is Too Close Between Mother and Son?

To his credit, there are other half-naked people present, and he's nineteen. Let us not cast judgment on the genitalia of those suffering from excess hormones. [Image via INF]

How Close Is Too Close Between Mother and Son?

After all, every family is different. I once dated a guy whose mother would crawl in bed with him and give him back rubs. (Weirded me out.) In some families, they pee with the door open. In others, they drink freely from one another's cups. In still others, they share beds. And in still others, they hold hands... [Image via INF]

How Close Is Too Close Between Mother and Son?

...and, um, kiss hands. Maybe they were play-acting? [Image via INF]

How Close Is Too Close Between Mother and Son?

At least they look like they're having fun. I feel kind of bad intruding on their family beach play day; Stephanie's entire family, including her husband, were present, and none of them seem weirded out. (Note that he retracted his fingers in this picture.) But seriously, is this normal behavior? How close is too close between mother and son? [Image via INF, tip via james_from_cambridge]