what to get someone for xmas who has everything

Well, that is certainly a challenge! If they truly have everything, then perhaps you could consider giving them an experience instead of an item. Perhaps a weekend getaway to a place they've always wanted to visit, or tickets to a show or concert they've been wanting to see. Or, if you're on a budget, you could always give them something homemade, like a photo album of special memories or a handmade craft. The most important thing is to show that you put thought into the gift and that it comes from the heart.