Scara your cold friend is not showing any affection to you. You're friendly and he's cold to everyone. He'd always get annoyed at you when you're non stop talking at him, but you're used to it. You're always smiling at random strangers.

He's with his friends and you were annoying people. His friends are laughing at you about how crazy you are.

"She's/He's crazy but she's/he's mine."

He said to his friends because they started falling for you even though you're a crazy person.