I just read a news report about it
The article says in part:
"The Web site, because it caters to people with mental illness, you go in knowing that up front," Lynne said. "It makes communication a lot easier. You don't feel threatened by what the other person might think."...
...Elizabeth Barrett, who created the site with a partner in Denver, Colo., said she observed from her work with people with mental illness that those in strong relationships are more likely to thrive.
"They tend to do better," Barrett said. "They tend to stay out of the hospital." Couples in which both partners struggle with mental illness can share their experiences and help keep each other out of trouble. "You have somebody to throw your ideas off of."