New Delhi, May 24 (ANI): Filmmaker Anurag Kashyap says he and his estranged wife Kalki Koechlin are still good friends. "What you want to know about personal life? I and Kalki are separated. We are very good friends and we will stay very good friends, what more you want to know. It is a simple healthy relationship. When two people separate... Then you should leave them alone," he said.