Are you talking about the "hide dicks" and "hide pussies" options when browsing? Most activities are suitable for couples, so a "couples" category would start to include all sorts from masturbation to pissing over each other, so as such would be a waste of time.
I think changing the current descriptions of "hide dicks" and "hide pussies" to something along the lines of "show dicks only", "show pussies only" and "show both" as the current descriptions are ambiguous and "hide dicks" should, in theory, not show couples fucking.
Also, it may be worth considering descriptions like "gay male", "gay female", "single male", "single female", "mixed".
I think this leads to something more complex than drop down menus and something with tick boxes would be more appropriate!
But not my cup of tea, I don't do ASP or anything else M$ as far as I can help it.
