What helps
The day before, 'it'll be fine' often closes more than it helps. A short sign, with no instructions, says you are thinking of the moment without adding pressure.
On the day, one line is enough. They do not have to tell you how they feel, or send you a plan. Last-minute advice, only if they asked.
Afterward, 'so?' turns the bond into a ranking. If they talk about it, you listen. If not, you leave it. Later, the deadline is no longer the subject.
Concrete example
"Thinking of you for tomorrow. No need to reply."
Key takeaway
- Few words before. No coaching.
- Afterward, you do not open the result.
Try next time
Send one line with no advice, and do not follow it with a question about the result.