"Well, there's those, but if you need more people - if any of the necklaced people have already found the objects of their affections you could necklace them without it spiraling out of control, if they agreed - and if you need to involve completely new people I'd say find single ones and find out why they're single. And avoid respondents whose answer is of the form, like - 'people just don't like me' or whatever. 'Focusing on my career' is probably fine, breakup stories that don't vilify the ex are likely fine, I mean as a first pass - but not - you know what I mean?"