To many reasons for that! But shorten it, there voices, looks and everything else!
Because they are the most amazingest people on earth ever ever ever <3
They are infectious :D
They make me smile like i never did before.
Because they're so talented and down-to-earth :)
Because they are sweet, talented, funny and easy on the eyes ;)
They're just 5 normal boys, who are livin' the dream ;-)
There are so many other reasons about why we Любовь them and if Ты have another reasons please Входящие me about it and I'll then mention Ты in a post!