Also they tried to unite the island but South rejected in a UN supported referandum.
https://en.wikipedia.org/wiki/Cypriot_Annan_Plan_referendums...
At this point, how can we negotiate with people who call Turkish people as cockroaches and so on, really.
Now Turkey has upperhand of https://en.wikipedia.org/wiki/Northern_Cyprus_Water_Supply_P... for the negotiations, I hope they will use that and in next decades the island will unite.