Blank paper may refer to unexpressed feelings; the moment of opportunity; the creative moment before expression occurs; inability or lack of desire to communicate. Consider any decorations on the paper, its condition. Decorative wrapping paper may refer to the facade you present to others; anxiety about a gift you owe. A plain brown wrapper may mean sexual issues or anxiety; a need for privacy; be related to low self esteem.
Wallpaper suggest something that needs beautifying something that needs beautifying or covering up. The first wedding anniversary is a paper one.