Tidal forces result from the difference in the strength of gravity at different sides of a body. Because we are so far away from the Sun, it does not exert any

Tidal forces result from the difference in the strength of gravity at different sides of a body. Because we are so far away from the Sun, it does not exert any (significant) tidal force on us or the Moon. Moreover, the amount of tidal force exerting by the Sun is not affected by the distance the Moon orbits at [0]. In contrast, the moon is close enough to the Earth that those tidal forces are significant, and would drive the Roche disintegration. (They are also what drive the tides, the moons current orbital changes, and why many moons are tidally locked). [0] Technically, a smaller orbit will make the tidal force exerted by the Sun slightly more constant.