Now, I'm only caught up with the anime so I can't really have a legit opinion on this, but why would he want to end it now? I hope not.
But yeah, Reborn and Bleach are in their last arcs (though Bleach is taking some years with that). Naruto may not be in its last arc, but it's close to ending as well.
Not counting the new series that are kinda hard to make a judgement call on, I think One Piece, Toriko, Gintima, Sket Dance, Beelzebub, Haikyuu and Hiatus x Hiatus are the series that are still there in 5 years.
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Nio-chan and Ctes: http://img.imgcake.com/nio/Untitledpngyn.png
BroAndCharAndCtes: http://i.imgur.com/oBQfY.png