The only thing that we all (should know) is unpayable debts are unpayable . My advice to Greece is to plan for a default, prepare a sovereign currency, take up Russian,Chinese, and BRICS offers of loans, and leave the EU and NATO. I don't see any other way. Then hope things get better that way.
It will the worst choice I think. It will be a step back in their ambitions to have a central role in Balkan countries, in their ambitions to be part of the "club" of the countries which count and make decisions, it will be a decrease of welfare that currently they enjoy, it will be an economic disaster, it will be a start from beginning in everything and above all to be again part of European Union and at the end it will be a total depression of all Greeks which don't want to go out of European Union. The last thing is told in every interview taken from the simple people in the roads from the reporters and the even in the vote of their referendum.