Now that he's hearing himself he's not sure what else he was expecting. The sentence is so vague he wouldn't know what to get from that either. What a disgrace on him, to fail at communication like this. Potemkin inhales and exhales, like recovering from a bad start in some physical exertion, and tries again.

"After all this time that's passed, the past we've shared as comrades, I came to know more about you... so because of that, the way I thought of you has changed," Potemkin continued on. His voice slows down more and more out of his control, until by the end it's like he's picking out the words individually. "I...I have an obligation to let you know."