Here are a few things that might help. First, do not allow your mind to wander, or look away from the plane, unless it is flying straight and level, and away from you. When you turn, remember which way you've turned. This way, you know what control input to apply to level out. And finally, if you have become disoriented, apply a SMALL control movement to see what happens. If the plane banks a little more, you know you went the wrong way, and can correct it.