I went out with some old friends and we were having fun. A couple of them were very intoxicated. When I went to leave, I refused to let them drive. So when I got pulled over, I was the driver.
A purely objective viewpoint does not exist in the cosmos or in politics.
Inevitably I draw on my own relationships when I write, so if I'm writing about a fight between a husband and his wife, of course I'm going to think about a recent fight with my husband. Or if I'm writing about sisters, of course I'm going to think about my sister.