An infinity challenge joke that I didn’t know when I was young

(1)The best time to work with Mr. Yoo is
(2)Infinite Challenge
(3)Epidemiology and Medicine
(4)an annular medical practice
(5)Infinite Challenge for Illusionary Medicine
(6)Oh, when I was sleeping
(7)Fantastic medicine
(8)When Jae Seok sleeps in the car!
(9)When you give me pocket money
(10)a book of cards
(11)When I sleep after giving pocket money
(12)That would be great