Choose Day for Tuesdays - Wall Painting or Wallpaper ?

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One of my house improvement project for the next year is to do something on the wall. I feel like I want to put some wallpaper on it because I think it is pretty. But my husband strongly disagree on the idea of wallpaper. He suggest that I can try different colors or shades of paints, but never the wallpaper. He explained to me the trouble and hard work of the wallpaper; and the worst part is the removal when you want to change it or if you want to switch back to paint. I got his point, but is it really so?
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I didn't give up my desire for wallpaper yet. I want to gather more information; and besides, I haven't talk to anybody that has an experience with using wallpaper. I don't even know what quality of paper this wallpaper here in America has. I assumed that it is not the same cheap kind that we have in the Philippines. What about you? What do you prefer, wall painting or wallpaper? I feel like using wallpaper will make the house more cozier, which I thought is home. I really hope that somebody with the experience of using wallpaper can comment on this post and give me some insight. I would greatly appreciate it.