Translation:It did not have any effect on me.
Yok is the present.
Also compare: "I don't understand." = "Anlamadım."
See also my comment here, seems related: https://forum.duolingo.com/comment/7865162/The-presentation-is-not-over (There is no way link to the comment directly. You'll need to scroll to find it.)
"Onun benim üzerimde hiçbir etkisi olmadı." Translation: It did not have any effect on me.
She did not have any effect on me.
Duo accepted this other English answer too.
Not sure about this answer?
Chemistry between opposite sexes? 30 seconds I think is all it takes to determine attraction. Never tried speed dating.