Mismatched.com The Wall Street Journal Online By Ellen Gamerman About two million Americans met their spouses online. Now the divorces are starting. How dating Web sites are scrambling to make sure forever really is forever In 1995, Matt Frassica, tired of singles bars and set-ups by friends, tried his hand at dating online. There he met, and later married, a woman who also liked long walks in the rain and homemade lasagna. They were even featured in People magazine as a prototype of successful cyber-romance. Then the fairy tale ended. Mr. Frassica said he realized he was gay, and the...