Here are some good reasons-
10: How The Comedy Is: animê is like another version of Disney, but it's has cursing and mais funnier characters.
9: How Attractive The Characters Can Be: animê characters can be attractive, especially some girls, like Lucy, from Fairy Tail. animê isn't about boobs and all of those things.
8: How sobrenatural It Can Be: animê has a lot of fighting in it, wow, and also, naruto is one of those animê that has fighting, lawl.
7: animê Can Change Your Life (not always): it doesn't happen to some people, animê can change you, sometimes, people say its a bad thing.
6: Kids Can Watch animê To: pokémon and Dragon Ball Z, yeah, that's all I know.
5: animê Has Been Here For A Long Time: that's cool, some has been here for long periods of times and still ongoing. ^^
4: Curtin Animes Are Awesome: Hetalia, Naruto, yeah, some are alright.
3: animê Is Like Reality: some people might not believe this, animê is like your friend.
2: It Keeps You Happy: animê is just like a friend, animê keeps me happy, like I am now.
1: animê Is Everything: Countries as people, Zodiac Signs as people, Colors, things like that, make animê cool and popular. :D