Mercury's condition describes the shape of your thinking, not the honesty of your feelings. A strong Mercury — air signs, third house, direct motion, no hard Saturn or Neptune contacts — explains a fast, fluid drafting process. It says nothing about whether you are avoiding someone. A tangled Mercury explains friction at the keyboard. It does not explain why you chose this message to stall on.
That gap is where bad readings happen. People find Mercury square Saturn, read "communication delays," and stop thinking. But the same contact produces excellent editors, careful negotiators and people who simply do not bluff.
Mercury retrograde gets blamed for lateness most often, and the astronomy is worth stating plainly. Mercury appears to reverse because Earth and Mercury orbit at different speeds, an effect of viewing angle, not a change in the planet's direction (NASA, StarChild).
The two difficult aspects do opposite damage. Mercury-Saturn edits until nothing survives scrutiny — you rewrite the greeting four times. Mercury-Neptune dissolves the message before it forms — you know something is wrong and can't name it. One is too precise to send. The other is too vague to start.
Mercury opposite or square Mars is the third pattern, and it reads differently again: the message exists, fully formed, and stays unwritten because sending it feels like starting a fight. That is not uncertainty. It is a held weapon.
Cross-check Mercury's retrogrades before treating a delay as a redo. A retrograde Mercury over a sensitive degree can mean the conversation genuinely needs a second look, not that the sky is stalling you — the same distinction this guide to a fixable delay versus a decision that needs revisiting draws between them. The status alone proves nothing about intent.