Try and keep you eyes open. Open eyes allow you to be more present. Just lower your eyes and let your gaze be soft. If you close your eyes you will be more likely to drift away on thoughts and stories. However, it's important to do what is comfortable for you. Some people find closing their eyes much more effective. It's good to experiment and see what feels best for you.
2.
In ordinary consciousness we are hardly ever present. For example, sometimes we drive the car on autopilot while being preoccupied with thoughts. Suddenly we arrive at our destination and don't remember anything about the drive!
