the evil eye is traditionally associated with being turkish/greek it is ment to protect the person wearing it from evil/harm. it is susposed to be given as a gift not purhased for youself as buying...
It's a bit played out that tattoos have to have "meaning" to them. For the most part, tattoos are skin decoration and little else unless you are getting it for tribal purposes related to religion,...
-'Can't live with you' could mean that someone can stand or gets sick of living with another-'Can't live without you' means that someone emotionally couldn't live alone or without the person.
It means let others live without harming them, as you would want to be left to live by others. It is another way of saying Do unto others as you would have done unto you.