you are making a mind for the blind person
yes.
yes and it is beautiful because you love person not by his face but by his heart
Not if it's because you think you can sneak up on them.
You're not abnormal, definitely not. It's all normal and fine aaaaand yeah don't worry about it
Nope, it might mean you have low self esteem regarding your looks . . . Or you just have a thing for the sight impaired.