They attribute it to the fact that space around the object is bent. Which is causing the other object to drop, accelerate or bent. Check General Relativity's ex

They attribute it to the fact that space around the object is bent. Which is causing the other object to drop, accelerate or bent. Check General Relativity's explanation of Gravity. That might not answer all of your or my question. But maybe we didn't give enough time to ponder on that line.