With the CG ahead of CP (aka CL), the downward force on the tail creates an upward pitching moment which is opposite of the downward pitching moment caused by the upward force at the CP--these are...
The lowering of the center of gravity will make it easier for the person to balance. The person will use less muscular energy to maintain his balance with that lower center of gravity.
Gravity keeps us from floating. You have heard of gravitational pull, it pulls us the stay on the ground. In space and on the Moon, there is little gravity, so astronauts have to be held onto ropes...