A secret that only I didn’t know

(1)If you failed
(2)It’s a testament to my challenge
(3)If you
(4)If you’re tired
(5)It’s a testament to your hard work
(6)If you’re frustrated
(7)It’s proof that I was desperate
(8)If you regret it
(9)It’s proof that I meant it
(10)And yet, you
(11)If you’re doing something
(12)It’s proof that it didn’t fall apart
(13)Just because you failed
(14)He’s frustrated because he’s tired
(15)That fact does not define you
(16)What you had a hard time with was that
(17)It’s because I meant it that much
(18)That’s why you
(19)He’s a pretty good man