As you’re likely aware, one of the most important skills to master when you’re in this money making game is to be able to regulate your emotions. You can’t freak out every time you lose a little cash, and on the flip side, it’s probably a good idea to avoid doing an end-zone dance on the days you make it rain. Many of Wall Street’s most successful investors have perfected the art of staying cool and calm, with the best of the best being basically dead inside. Then you have Bill Ackman.

The Dead Inside model is not the one he’s chosen to follow over the course of his career. On the contrary, Bill is stuffed to the gills with emotion, and often feels compelled to let them out. No, scratch that. Letting his salty tears flow is not a choice, just like Ackman’s passion for standing up to institutions like MBIA and saying “J’accuse!” wasn’t a choice, it was his duty.

Obviously these raw and uncut displays of what Bill’s feeling haven’t prevented him from doing pretty well for himself. They have, however, caused a certain amount of agita for those around him. Bill’s visible tears at last year’s Target shareholder meeting were deeply distressing to Joe Nocera, who hasn’t yet evolved to the point where he’s comfortable seeing a grown man cry. And in Christine Richard’s Confidence Game: How A Hedge Fund Manager Called Wall Street Bluff, we learn of a couple other instances in which Bill’s inability to keep it locked up– one the adorable quirks we love most about him and probably the source of his success!– resulted in some minor and major fallout (making an employee uneasy and the enacting of the aforementioned Nut Kicking Rule, respectively). Richard writes: Read more »