1 year and 19 days (12months+)
We just love to provoke him [eh! actually he's the one who likes to provoke us. LOL], because everytime we do that, he will gibber and gibber and gibber. And we will laugh, laugh and laugh. And it goes on and on and on and on.
I will try to upload more of his videos.
p/s: i am so garang liddat. lol!