My son age 53 met a "wonderful" woman, age 51 online. They met, liked each other immediately, spent 3 weeks together, and got married, with no friends or family present. He's divorced with a grown ...
Let him learn from his own mistake. Even though there is such a thing as love at first sight, it takes longer to get to know someone than 3 weeks. The best thing you can do is leave it alone and let him see where he went wrong. It may work, then again, it may not. Good Luck.