Whenever I am interacting with my colleagues the conversation would frequently come up about "closing". Sometimes it's difficult to maintain my intended Way of Being. Any suggestions to avoid getting distracted while not completely ignoring my co-workers?

You have to decide whether your primary allegiance is to your clients or to your company. Who do you think your clients think your primary allegiance is to? Make new friends. Hang out with different people. But, whatever you do, put your clients first and behave like a Trusted Advisor and not a salesperson.