In case you can no longer express yourself in words, instead demanding cute Japanese emoticons to encapsulate inner longing and turmoil, you can sleep well knowing that the iPhone's Emoji set has been ported to iChat.
It's a free download from Einar Andersson & Tor Rauden Källstigen that includes an installer and everything. In other words, you can pretty much double click your way to emoji bliss. And once you're done, maybe you could ping Jason Chen and remind him that I don't need to see that little poop guy every time he forgets his Lactaid. [Emoji for iChat via TUAW]