You're just being normal. To them it's a rescue.
"I never forgot what you said back then," they tell you.
40jk = 4 letters, 0 seconds. Joker & King.
The long version (mechanics, records, real pairs) is on the main site.
16 Relations, main site
Four letters can change every time you take the test. Read it without deciding anyone is a type. Read first: about typing