Basically I was driving home from the local shop down the road and my windscreen started fogging up, I chose not to turn on my AC as I thought it would be worse in the short term and my home was close and I could still see oncoming traffic somewhat clearly. I got home safe, but now my anxiety is insisting that I might have missed a pedestrian if there while turning into the parking lot with my windows fogged. It was literally a 2/3min drive.

However, I don't think the fog was quite that bad yet, and there was a car behind me on the really narrow road, so I didn't want to stop since I could still see any obstacles on the road. But my anxiety insists I was being unsafe. I didn't turn on the AC because that would initially make it worse and thought it safe to go home. 

Sorry for the rant.