I would suggest that the "Your Account" stuff (Your Alerts, Your Newsfeeds, Likes you´ve received, Watched Threads, Your Content) should be a separate Tab at the left-side of the Naviagtion-bar.
Currently all of this is just too much hidden away underneath the username at the very right. I also never visit those pages as it is so hidden I forget that those features even exist........
The things which should be in the dropdown underneath the username is the stuff which a user needs to "edit his account settings", like e.g. "Personal Details, Contact Details, Avatar, Privacy," etc.