IDEA! Create an advice wall/book/collection. Ask lots of older married couples for tips and thoughts helpful throughout marriage. Record them all - even the ones that don't make sense yet. Every anniversary, read through them and see the new purposes and relevance they hold in your marriage.
DIY chandelier. She has more pictures of it hanging. Could also string strands through the middle and hanging down as well to make it a bit fuller... OR find a (or a couple of) progressively smaller sized hula hoops and create more tiers below.