To be in a pickle, or to not be in a pickle. That is the question.

So you and your coworker clock out at the same time, walk out together talking. Which means that, you did not go say good-bye to the boy who bought you dinner a couple nights ago. Who stopped up at the office to say 'hi' and continue a conversation that had been taking place via texts. What are you going to do?
Break away from the person you are talking to, awkwardly, and go say goodbye, awkwardly, while the person who is working in the office can see that you've deliberately gone to say goodbye to someone. Awkward. And a good way to start gossip. Unnecessary gossip. What're gonna do.
Not to mention that if you do go back and make a special trip. this could come across as... I view this as something that is getting serious. But you don't. And if you text and say, "sorry I didn't tell you good-bye" you're indicating that there is something there; enough there that you would make a special trip or send a special text. But there isn't, and you don't want there to be. What are ya gonna do?
Because the truth of the matter is that I do hold firmly to the fact that while boys can be stupid, they are not without feelings, and their feelings can be hurt just as easily as girls. So how do you balance not hurting someones' feelings with not leading them on? What a pickle.