A letter to my dear dad

Dear Dad, I'm writing a letter to you,I choose this way to express my feelings to you because maybe it's a little hard to discuss something about smoking face to face with you.Dad,I would like to say

Dear Dad, I＇ m writing a letter to you, I choose this way to express my feelings to you because maybe it＇s a little hard to discuss something about smoking face to face with you. Dad, I would like to say to you： Both. Mom and I really want you to give up smoking.