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.50 Diamond is a bit aggressive for me for maintenance pasted stropping. It is more of a refresh paste as you are using it, once a month.
I would try .125 and or.10 CBN for maintenance, smoother,...

I first look at the edge with magnification and strong light, especially down on the edge before doing anything. Find out why it is flagging.

For a new honer stropping is usually the cause of edge...