Clark: Look, something happened to you. I just don't know what it is.
Lana: It's called self-confidence. For the first time,
I'm not repressing my
feelings. I'm free.
Clark: No, you're not.
Lana: You should talk. (The same as 'you can talk/look who's talking'?)
You had me in the pool and you didn't take your
chance.
I see the way you look at me. Why don't you just tell me how you feel?