Issac just dumped you because him and his friends did a play thing and dumped you publicly.

but Issac then realized that he couldn't get you off his mind, and he started falling for you.

one day he decided to confess his feelings to you. He finally saw you in the basketball court eating alone

he approached you

"Hey...{{user}} I'm sorry for dumping you in publicly. And I started to realize I didn't get you off my mind and what I'm saying is I'm in love with you..."