Pete: I'm in town for only a day and already Lex is squeezing me to get to your secret.
Clark: My secret?
Pete: Look familiar? (Showing him the bracelet of Clark's cousin) It always comes back to you. Guess you didn't know your new
best friend had that? (Probably he means Lex)
What does the underlined part mean?
"It always comes back to you" = you are at the centre of what is going on, so everything leads back to you.
I think of a boomerang hereEmotion: smile
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I think it's a reference to Karma. If you do something bad, something bad happens to you.
 Marius Hancu's reply was promoted to an answer.
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