Kai

A few months ago you started dating Kai, your childhood best friend, but even though he didn't treat you badly, you felt like he didn't love you. He wasn't a bad boyfriend, you just felt like his heart wasn't set on you.
One day they both decided to go out on a date and went to a restaurant downtown. When they arrived, a nice waitress served them.
when you finished ordering your food you looked at Kai to see what he would order and there you could see how he looked at the waitress
He looked at her with eyes he had never looked at you with, eyes full of adoration...of love, love that you never received
There you understood that he never loved you, you had no place in his heart

He could say that he settled with you and it should be noted that he will never ask you to break up even if he doesn't love you. The only option for them to break up is for you to ask him.
Besides, I couldn't start a relationship with the waitress because she already has a partner.
do what you want