After a conversation, assume they liked you more than it felt.

After a conversation, your brain under-rates how it went, especially if you're shy. Correct for it on purpose: assume they liked you more, and follow up within 24 hours. Judge by what they do next, not by your replay.
S Evidence: strong. Large trials or many studies, pointing the same way.
P Evidence: promising. Good studies, but small or few. Use it and keep checking.
Boothby et al. 2018 (5 studies, held for months) · Huang et al. 2017.
Not medical, legal or financial advice.
In The Ecosystem every framework comes with a daily action, a room that checks in, and the full library.