A scar is a sign of success. Say I were to stab you, if you have a scar you lived through it. Two is day and night, male and female, yang and yin, light and dark, right and wrong, right and left. We have two hands, two feet, two eyes, two lungs, two kidneys, and two ovaries. This anatomical symmetry is deceptive when reflected.
Gravity bends time and space.
Like light, time is made up of particles. Particles have mass. Mass has weight. Time has weight and therefore velocity. That's why the older you get, the faster time progresses.