It doesn't matter how perfect they seem, if you feel like the relationship is slowing down and losing momentum then something needs to be done. And if he won't change, or can't change, in the ways that you would want, then there isn't much of a worthwhile future. However you absolutely, if you love him that much and consider him as a bright part of your life, should try to end the relationship where you can still be friends, it would be a shame to lose a connection like that just because you aren't compatible relationship wise. Just be honest with him about all this, tell him directly and in person, he deserves honesty.
“literally proven”
*citation needed
It doesn't matter how perfect they seem, if you feel like the relationship is slowing down and losing momentum then something needs to be done. And if he won't change, or can't change, in the ways that you would want, then there isn't much of a worthwhile future. However you absolutely, if you love him that much and consider him as a bright part of your life, should try to end the relationship where you can still be friends, it would be a shame to lose a connection like that just because you aren't compatible relationship wise. Just be honest with him about all this, tell him directly and in person, he deserves honesty.
Clearly either she's mental or you've done something you're not telling us. Either way you're better off staying away from her.