Køhne effect
The "Køhne effect" is when you talk shit about someone, only for later falling in love with them.
Me: She is ugly as hell, i hate her!
2 months later
Friend: Remember when you talked so much shit about her, now she's your girlfriend, i think you have been a victim of the "Køhne effect"
2 months later
Friend: Remember when you talked so much shit about her, now she's your girlfriend, i think you have been a victim of the "Køhne effect"