I'm no expert in the relationship department which could be indicated by some of my other posts, but your relationship reminds me a lot like a relative's.

They used to fight a lot because the guy forgot a lot of things and made a lot of little mistakes. All of his socks had holes in them, he wore old worn jeans and he never owned any nice dress clothes. He couldn't go grocery shopping without a list or else he would come back with only meat and bread and nothing to cook with it. He didn't clean up his messes around the house. You get the picture.

Anyways, what helped them save the relationship and even lead into marriage was her giving him a physical schedule and writing notes for him to remember. He had a heart of gold and was selfless in a lot of ways, he just couldn't function in anything without an instruction manual.

Hope I helped!