Such information should stay personal and you should just use a username.
From all of those online dating services, the very first thing that grabs attention may be the profile picture of yours. Way too many dudes jump on the site most people are using. http://dongguri.com/whiteboard/board/goto.php?url=aHR0cHM6Ly8zM1Bva2VyLm5ldC8&encoded=1: