Standing Rigging Question
First, check to see that the mast is in column, takke a centerline halyard and measure to the pin hole on your upper shroud chainplates. this established,tune from the masthead down. leeward side rigging should not flop in the breeze. It should become unloaded, but not flop. from the sound of it, your mast is falling out of column more on one tack than the other.
Fair breezes and good sailing