>>1 not everyone can be that athletic, with or without their limbs. And it takes a lot of effort and practice before you can, if you want to, you could try. But you can also focus on your intellectual strengths as well as leave her eventually and live on your own.
It's okay to think differently than your parents, and your religion is your business, but maybe you shouldn't be publicly announcing the fact that your atheist on Facebook.
Anything is possible, you just have to work for it is all.