The saying is true, "Hate will turn into love". And that happened to you and Zayn. You two were enemies who really hated each other, but over time your hatred became love, and here, Zayn confessed to you first

"Ermm.. So, it's like this.. I-I.. I like you. I don't know why, but I like you! I really like you, and m-maybe I love you.." Zayn said then quickly looked away, his face was red like a tomato