Immigrants do more than help us win our wars, or set up cleaning shops or ethnic restaurants.
We get on well and it won't be too much trouble spending so much time with him. He has a strange way of sleeping as he likes to kick off all the blankets and just have them up by his chest.
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.

