How To Write A Dirty Prison Letter . This does not mean you have to use nasty phrases, just tell him how he turns you on and how sexy you find him. How can i get my ex back without losing my mind? Letter To Boyfriend In Jail Letter from letternay.blogspot.com Melissa initially wrote blaaaake wishing him luck in beating heroin in prison, as she had done. Dear (name of the boyfriend), it’s been many days when you are not beside me, but your presence always accompanies me. You should also state how often you will be able to correspond to the prisoner.