So, your significant other takes you for granted — and you think you might want to make him a little bit jealous, just to send a message. One way to do it would be to spend an hour with an ex.If you really want to make him green with envy, make sure there’s a meal involved.At least, that’s what new research, published Wednesday in the journal PLoS One, seems to suggest.“Do people believe that sharing food might involve sharing more than just food?” asked coauthors Kevin Kniffin and Brian Wansink, both of Cornell University, in the report.Read more at LA Times.