I told you so

Yesterday I declared myself the the king of I told you so, and two friends agreed wholeheartedly.  Issue some dire warning about my future or some half-baked assurance based upon your own experience  and l will prove you wrong, out of spite if for no other reason. 

Unfortunately, I don't get to say I told you so as often as I'd like.  People seem to conveniently forget about their predictions when they are proven wrong or are too sensitive to handle a well-timed I told you so, assuming...