I skipped the slideshow on lifelong learning. Not wanting to be branded a cheater-pig, however, I just went back and watched it.
I'm not feeling confessional enough to mention which habit comes hardest for me, but I'll gladly share my attitude toward learning: I'm pretty much addicted. I need to be learning new things, always. Otherwise I get squirrely. (And I think that attitude is actually pretty common among library types.)
An important habit that leads to successful lifelong learning which the presentation failed to mention is wool-gathering. (1553, "indulging in wandering fancies and purposeless thinking," from the lit. meaning "gathering fragments of wool torn from sheep by bushes, etc." Online Etymology Dictionary, © 2001 Douglas Harper.)
I'm a firm believer in the importance of wool-gathering, letting your mind wander, and looking at things from strange and unusual perspectives. I like the concept of not just thinking outside the box, but actually blowing the sucker up. My favorite phrase is "what if. . ."