Write a shopping list "I'm looking for someone who's tall, funny, intelligent, kind, loyal, romantic, sociable..." For readers, they're both dull to read and incredibly daunting. "I'd love to meet someone with whom to explore far-flung places," or "Dining alone is getting dull. " Be intimidated by "dos and don'ts" lists like these Just upload a brief profile and several nice photos, and get started. In fact, regularly updating your profile keeps you active on the site and leads to more matches, so see your profile as a work in progress.

This experiment, which Royzman sometimes runs with his college classes, is meant to inject scarcity into hypothetical dating decisions in order to force people to prioritize.

I think for a second, and then I write equal amounts (70) next to both hotness and kindness, then 40 next to income and 20 next to fidelity.“Oh wow,” he says.“What? Usually women allocate more to fidelity and less to physical attractiveness.

Mention your ex in your profile It suggests you're not ready for a new relationship.

If you're divorced/separated with children, use the drop-down menu to reveal that.

How will the story stack up against the greatest films about business?

Edward Royzman, a psychology professor at the University of Pennsylvania, asks me to list four qualities on a piece of paper: physical attractiveness, income, kindness, and fidelity.

Men who refer to women as "females" or "women" rather than "girls" are more likely to find a mate, as are men who use the word "whom" (31 per cent more online communication).

Smiley face emojis work unexpectedly well online - indeed, people who use emojis apparently have more sex.

You might like someone online, but they put 100 on income, and unfortunately you’re about a 10.

Men and women make mating decisions very differently, he speculates.

Write a brief, upbeat profile Nothing too deep or too long.