Hiljaa hyvä tulee
There is a proverb that fits sideways. Hiljaa hyvä tulee is really about taking your time - hiljaa is slowly there, not quietly - but it reads both ways, and six out of six earns you the pun.
What you have got is the hard half - hearing that the short answers are carrying information rather than withholding it. The rest is tone, and tone only comes from hours in the room.
From How Finnish Is Your Silence? - 6 lines of real spoken Finnish on Finnish IRL.