For the future, I would suggest avoiding subjects of too vast a scale. It would be useful to make out a list of fundamental questions on the matter to be dealt with, and discuss only those.
“I'll be helping them getting suited up, getting them in the airlock, getting the airlock prepared, and getting them out the hatch, and then talking them through these three spacewalks.”
“I think more of the little kids from a school in a little village in Niger who get teaching two hours a day, sharing one chair for three of them, and who are very keen to get an education. I have them in my mind all the time. Because I think they need even more help than the people in Athens.”