It's tough, though. If you ask very happily married 60+ old couples, I think most will tell you that there was a patch or two they didn't really enjoy, and tha

It's tough, though. If you ask very happily married 60+ old couples, I think most will tell you that there was a patch or two they didn't really enjoy, and that they are happy they rode it out. The trick is knowing when to make that call. Having a list of a thousand compatible singles a click away probably lowers the "walk away" threshold quite a bit.