A person’s past romantic relationships can be found out through the number of interests listed in his or her Facebook profile, a new study reveals.

"I predicted this relationship because other research suggested that part of romantic relationship development involves adopting new interests and behaviors from one's partner," Carpenter said.
"I also found that people who report appearing in more photos with their partners on Facebook and who regularly tag their partner in their status updates tend to have closer romantic relationships," he said.
Carpenter said the study's sample included 276 respondents who answered questions about their relationship histories and social networking sites uses, while a subset of the sample (149 participants) answered additional questions about their current romantic partners.
The study is set to be published in July 2013 journal issue of Computers in Human Behavior.
Source-ANI