I'll always love you, 'come rain or come shine'. [=I will love you no matter what happens]
She really 'took a shine to' [='took a liking to'] her new neighbor.
Once she relaxed, her talent really began to 'shine through'.
(..) Tony says that I'm a front for the foundation. That you're using me to pull the strings. - To get the money where you want it. - Please! - To shine up your public image. - Mary! Mary, this is real. This foundation is real. I wanted Anthony to be part of it. I thought you would be together on this. (..)1990 The Godfather Part III