What exactly does Mercury retrograde affect?

Mercury retrograde is often said to mean "nothing is going right," but this is too crude. Mercury rules communication, information, transportation, equipment, learning, paperwork, transactions, and judgment. When retrograde, these areas are more prone to delays, iterations, misunderstandings, rework, or returning to old issues.

Rather than failing everything, it’s a reminder to slow down, review, revise, and reaffirm.

Common impacts include message misunderstandings, missing documents, equipment failures, itinerary changes, the appearance of old contacts, contract terms that need to be reviewed, repeated revisions to plans, and delays in learning and expression.

But these are not necessarily bad things. Mercury retrograde is suitable for revising old manuscripts, reviewing old projects, organizing information, re-communicating, making up for omissions, and going back to examine problems that were not handled well in the past.

Where in your natal house Mercury retrograde falls will indicate in which area the subject of review occurs. If it falls in the third house, communication, learning, short distances, and siblings will be more obvious; if it falls in the sixth house, work processes, healthy habits, and daily arrangements will be easy to rework; if it falls in the seventh house, relationship communication, cooperation agreements, and old relationship issues will be brought back.

So Mercury retrograde is not the same for everyone. Wherever it triggers, there is more need to slow down.

The physical sensation is usually more pronounced if Mercury is retrograde in close aspect to your natal Mercury, your Ascendant, your Ascendant, the Sun, the Moon, or the ruler of a major house. In particular, natal Mercury is inherently strong and has complex aspects, so Mercury retrograde will more easily trigger communication and judgment problems.

On the other hand, if Mercury retrograde does not trigger key points, it may just be background weather and there is no need to be overly nervous.

The appearance of an old person is one of the common symbols of Mercury retrograde, but it does not automatically represent reunion, fate, or destiny. It could simply be unfinished communication, old emotions, unresolved expectations, or a practical issue that needs to be tied up.

Whether or not to respond depends on natal relationship structure, current Venus/Moon/7th house transits, relationship reality, and your boundaries. Mercury retrograde brings back old things, but it doesn't mean that the old things are worth restarting.

Not absolutely impossible, but more careful. Mercury retrograde is better for reviewing terms, adding details, confirming sources of information, and checking timelines and boundaries of responsibility. If you must sign, try to leave room for corrections to avoid hasty decisions when information is incomplete, emotions are anxious, or communication is unclear.

Astrology does not tell you to stop living, but lets you know which aspects need to be checked more often.

Open the transit chart, first look at which house of the natal house Mercury retrograde falls into, and then see whether it triggers the natal Mercury, the sun, the moon, the ascendant, the natal lord, the seventh house lord, or the tenth house lord. Then check whether it passes through the same point three times before and after retrograde motion.

If the same theme recurs in the three phases of entry, retrograde, and return to direct motion, it deserves careful review.