Raise your hand if you've ever been walking out the door to go to a party or event only to realize you don't have a greeting card on hand. So you rush to the store, pick out the first semi-decent looking card you see, scribble your name on it, and then realize later that it's not even the right type of card. For the record, I had both of my arms up in the air just now. At the last wedding I went to, I gave the bride and groom a card that read “Get well soon, my favorite grandson!”
Hopefully this doesn't happen too much in the future though, as I just ordered three free greeting cards that were posted to the forums this weekend. Hooray for a little less social embarrassment in my life!