Less than half of this was the actual animation. Got to cut down the the intro. You just have to. And unfortunately for this vid, the intro had more interesting animation. Theres many ways you could have made this more interesting. Playing with different camera angles, or visualizing what they're talking about. You clearly have a grasp on drawing, so push it more. Also, make a version for NG where you don't have all that fluff in the end. Not telling you to not endorse yourself, but condense it.
Just some things to think about for your next one.