You'll find a lot of great information in our "FAQ/Help" section, as we spent a fair amount of time putting it together for just these kinds of questions. For user titles, see:

http://forums.psychcentral.com/faq.p...ain#faq_titles

For "Change emotion" problem, you might trying clicking on your profile and then scrolling to the bottom of the screen to change it that way (instead of the usual way):

http://forums.psychcentral.com/usercp.php