After talking with someone new, people underestimate how much the other person liked them. It showed up with strangers in a lab, with students sharing a dorm room, and with people meeting at a workshop. The researchers call it the liking gap. Evidence: decent I won't give you a size for it. The direction is the useful part.
So the replay on the way home, the joke that fell flat, the pause that went on too long, is a poor guide to how it went.
It stacks with a second mistake, found in people contacting someone they'd lost touch with: they expect the message to be less welcome than it turns out to be. Evidence: decent Both mistakes point the same way, towards doing nothing. Send it anyway.
Same theme: Making new ones
Making new ones
Book the next one before you leave
With someone you'd like as a friend, suggest the next meeting before this one ends. Keep suggesting until they start doing it too.
1 minEvidence: decent
Making new ones
Join something that repeats
Look up one thing near you that meets every week without you organising it. A club, a team, a volunteer shift, a class you stay after for a coffee. Go to the next one.
2 hours a weekEvidence: worth trying