Copper (__) is an element on the periodic table. CU (both letters capitalized)
Cu (first letter capitalized)
cU (second letter capitalized)
cu (both letters lowercase)

Maybe

Explanation:

first letter is to be capitalized

Cu

the correct order is:

you're your own worst enemy:

they're going to say what they say, but

their opinions aren't holding you

back. it's your self-defeatist

attitude that's keeping your work

from getting its due.

no it who u choose to be. let no one tel u what or who to be;