Question: If Gravity Doesn't Exist, What Holds Us Down?

Answer

As a force, "gravity" or "the force holding us down" does exist. Though not as round earth theory imagines. One of the most basic facts of demonstrable intuition is that large spinning objects would necessarily eject smaller objects from their surface. Simply put: a round spinning earth would fling us off. The force that keeps us "glued to earth's surface" is the upward motion of the disk of the Earth through space. Called Universal Acceleration, a current of continuous magnetism flows through the universe, carrying objects of sufficient surface area upward in its path. Due to Earth's immense surface area, the Universal Accelerator (UA for short) acts upon its underside propelling it upwards through space. Universal Acceleration makes more sense than gravity, the supposed attractive force exhibited by objects of sufficient mass on smaller objects. 

So how does Universal Acceleration work where gravity conceptually fails?

Early spherists showed a strong tendency to over-explain the universe in terms of cause and effect. Of course, every effect does have a cause, but early spherists quickly assumed that such causes existed in the most readily available object: the Earth itself. It was outside the ken of their conceptualizations to search for causes beyond the immediately observable. Their science could not ask questions bigger than itself. Acting in tandem with Universal Acceleration - "the inherent tendency towards downward motion" - generates the observed effects that spherist call "gravity". 

Inherently, there is no reason to assume that "down" would not exist in space, especially within a finite universe. Consequently, all unsupported objects tend to fall through space at a constant rate of 9.8m/sec. When you jump, being unsupported in space causes you to begin falling downward at a rate of 9.8m/sec. Due to the UA, the earth accelerates up into you. Both the "inherent tendency towards downward motion" through space, and the upward push of the UA against that force, causes objects on earth to remain firmly in place. While the name is slightly misleading, "Universal Acceleration" does not mean that the disk of the earth is continuously accelerating: otherwise it would have reached light speed over 300 years ago. In reality, the inherent tendency towards downward motion counters the upward acceleration of the earth, keeping its momentum constant.