Mercury in Sagittarius gets bumped with an enthusiastic squares from Jupiter, at 21 deg Virgo. Jupiter rules Sagittarius, so there's enhanced expectations. But a square means tension, which arises from Jupiter in Virgo's plethora of details versus Mercury in Sag's big picture view. Despite the grand idea or promise, details will be out of synch with the overall situation. Not a deal breaker, but make sure the jumble of facts crammed into the story actually fit.