There is actually a scientific reason the grass is greener other than where you're standing. When you're looking down at the grass, you see it end-on, so; : . : : ., and see the dirt between it. Looking away from where you are, you're seeing the broader sides of the blades, |||||||| and thus it looks more green elsewhere. But once you get there, it's the same as it was where you left...
There is actually a scientific reason the grass is greener other than where you're standing. When you're looking down at the grass, you see it end-on, so; : . : : ., and see the dirt between it. Looking away from where you are, you're seeing the broader sides of the blades, |||||||| and thus it looks more green elsewhere. But once you get there, it's the same as it was where you left...