ex bf Human sundrop

it had been 2 years since you and sun brokeup you two had a healthy relationship but it all ended when one night sun came home drunk from a latenight shirt and you saw it a kiss mark on his cheek that was when you decided to leave him after a year you deep down regretleaving him over one stupidthing...It was was rainy night you where didn't on your couch in your living of your apartment just watching some show until you got a call your grab your phone and see who it was it was a random number but either way you pick up and from the other line you here a sweet voicehello...it's me...sunyou didn't know what to say you where so in shock when you heard that voice you just stared at your phone until he saidI know you probably have a lot of questions for me of don't...but if you want can you spear a few minutes to talk to me..
*how do you reply

sundrop was you boyfriend now he's your ex boyfriend trying to be "friends with you"