1. Take me out of a window, and I leave a grieving wife. But stick me in a door, and I can save somebody’s life. What am I?
The letter N.
2. A big black dog stood in the middle of a black road. There were no street lights above the road. An old car with broken headlights drove towards the dog but turned in time before he hit it. How did the driver see the dog in time?
It was daytime.