Because the manga, comes to life winky wink
Unfortunately, manga does not have nice soundtracks.
Always have prefered manga.
Manga are great . Most Anime are cheapified version of Manga . AT the end it depends on Producers .
Manga usually has more details, goes for longer time, and better art. While the Anime rushes the plot and can drag the series down.
Are you guys crazy? Anime is, In most cases, From a manga series. Not to mention, The anime adaptions usually end up altering -- or even censoring -- scenes as they come along to make the work appropriate for television.