Two more...the news media blaring about how poor the economy is until it really IS a lot poorer than it would've been if they'd just shut up...AND
People who excitedly make arrangements with you...lunch, a trip, whatever...and THEY initiate the plans...and then, when it comes time to finalize...
My top one is people who do NOT RSVP, or people who don't RSVP til asked, then say they're coming and don't show up. These same people have the nerve to ask for an RSVP at their own parties. Second place is people who don't respond at all. And third is people who make comments like "sounds like...