@Soobel
Actually, being able to achieve “The Uncanny Valley” is a compliment.
The uncanny valley is extremely difficult for most artists to reach - no matter how hard they try they can’t make us think that we’re seeing something that might plausibly be alive or dead.
As odd as it may sound - you have done something amazing and wonderful - your images are “too realistic”.
You have the potential to create drawings that cross right over that uncanny valley and become “realistic” to the point that they are entirely plausible and look alive.
A lot of artists would sign a contract in blood with the devil to get to where you are. Don’t shy away from it - it’s amazing and great.
You can pull back on the realism and probably be completely and totally successful for decades making amazing but less “uncanny valley” - or you can find a way to go one step further.
Read what the makers of “Avatar” (the movie) went through - they hit the uncanny valley super hard, but fixed it by making the Navi’s eyes wider and their faces longer. The result was “realistic” and appeared to be alive, but audiences no longer ran screaming when they saw them.
So, I guess what I’m saying is that you’ve found the uncanny valley - congratulations! Now you have to also make your art “beautiful” in a way that doesn’t relinquish the beauty you have already created, but makes it less “uncanny”.
As
@40kponyguy mentioned, the eyes are probably the heart of what you are dealing with. They are very “forward facing” - in our world, that indicates that it’s a predator. Horses normally have more “side facing” eyes, and repositioning the focus of the eyes to make them wider or more like horses might help.
But that backs away from the “intelligence” that the MLP-FiM ponies show by having more forward-facing, flatter faces.
So - try a bunch of different things, moving the eyes further apart from each other, or making their muzzles more obvious, or changing the focal length of the eyes - somewhere here there is “something that will snap” and will be suddenly perfect.
And instead of seeming like very odd or unnerving human-like creatures, your drawings will suddenly because beatific horses who’s faces display such powerful human emotions that people can’t stop looking at them.
You’re literally standing on a razor’s edge between angelic or demonic. Which most artists never ever achieve.
Congratulations
^__^
Just promise to use your powers for good.