Yea, just watch out that you don't end up in the SOLE provider category. You definetly want to be in the Lover category.
Something that will remind her of you is always great. Some people call it planting seeds throughout her day where she'll be like "aww, that reminds me of my sweetheart," this can also be words or anything.
For starters I like to give (in a ltr) just a picture of the night we meet or some special night. SO hopefully that sits somewhere where she'll be constantly reminded of me.
Then just be romantic with gifts!
There's plenty of websites on how to do something romantic or buy something romantic.