Well there have been many for me.Once they hook me... I'm hooked for life.
A few of the ones that I didn't think I liked, but got hooked on later are...
Naruto: I didn't like it the first few times I saw it. It just didn't click with me. It was actually my sister that got me watching it with her earlier this year. Now I am obsessed with it. It's hilarious, with serious moments mixed in, and I have grown to love the characters.
Samurai Champloo: Again didn't like it the first few times, but got hooked this year. The whole premise of it was absurd to me. Something about it just clicked with me this summer.
Vandread: Didn't like it at all for the longest time. Thought it was boring. Then one day about two years ago, I watched it again, and BOOM, I loved it. It is very funny.
As for my age, sorry I don't give that out to anyone. Let's just say I'm old enough to vote and drink.