"Your a great girl, honestly, but why did you have to steal him away? I loved him...a lot. You came along and made him see that I wasn't enough. He needed more. He needed something better. I love you, I really do, but...please, I need him back."
This isn't to be mean however diseased would mean to be ill, deceased is the way to say mean.
Srry but it's Deceased.. Srry don't kill me..