"I'm okay as long as the difference is not too drastic." Miss Wu You, 22, and Mr Lenard Ong, 24, both Singaporean undergraduates studying in Oxford University, also say they are fine with the 4cm height difference.
Despite Mr Pastorelli being 9cm shorter than his wife, Ms Karen Phan, 40, a photography producer, the couple have never let their height difference get in the way of their relationship.
The average woman is eight percent shorter than her male partner.
Of course the ability to search for people who meet our criteria is part of the appeal of online dating.
"I wouldn't go looking for shorter girls, although I know that it is a consideration for many others." He jokes, however, that when on escalators, he always stands on the step above hers, as that is the only time he can be taller than her.
Ms Tan says being restricted to dating taller men would be difficult for her as, at 177cm, she is taller than the average Singaporean woman.