Lex: Do you think I'd look better with hair?
Lana: I don't know. I've never thought about it.
Lex: I've thought about it; I've thought about a lot of things. ... Clark has nice hair. (en)
—Writer Steven DeKnight describes this exchange of dialogue, from season five's "Lockdown", as providing an insight into Lex's feelings of inadequacy and envy of Clark. (en)