I can totally understand this. I think a really good interface for a dating site is one with a nice checklist of interests that can be searched by a database while also having a part where the user can fill in a little bit about them and what they are looking for. That way when you are browsing profiles you can search by the keywords for people with your same interests and then read the profiles once you narrow down your search. It's a good way to represent yourself in a profile while still allowing the person doing to search to easily make their way through a large number of profiles.
If the profiles on a hookup site were based entirely on an essay format you would have less people signing up, navigation would be much harder because people often use different terms for things, and it would not be very, as we used to say in the old days, user friendly.
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