Yeah, man, you got the right idea there!
Girls always have boring ideas about proposals and their wedding days. 'Oooh, I want to go on a holiday somewhere, go out to a delicious restaurant, have a walk on the beach with the moon shining brightly and the stars twinkling, blah, blah, blaaaaaaah!!!'
You should do what Devil Man is gonna do.
Take her out to McDonalds, buy her a cheese burger and whip out your ring.
Trust me, she'll like it
Simplicity always works best!