I like where this is going! It's uncomfortable with his right heel and her toe being cut off at the bottom. Add a comfortable margin there. Same with the sword tip at left. Compositionally, the focus is their faces. Use the mountains in the ridgeline to lead the eyes there, instead of being a flat series of peaks. Why is…
I like the anatomy! Well done. One thing that seems obvious to me, is that the tree and everything else, is framing the background, the mountains, you get a oval space of the tree + lovers lying down + tree branch, that frame everything that is back there as if it was a painting frame hanging on the wall. That may be the…