Since you are kegging it, it can age and complete fermenting in the keg. A keg can handle a lot more pressure than bottles can and they have relief valves. It won't age any faster in the keg than in bottles, so 3-4 weeks.
Remember one unassailable statistic, as explained by the late, great George Carlin: "Just think of how stupid the average person is, and then realize half of them are even stupider!"
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