Dear Dáithí: I'm losing my son to a controlling girlfriend

"She has him eating well, working out and off the drink. I think you should ask him how he is feeling these days."

Dáithí Ó Sé. Pic: Domnick Walsh.

Dear Dáithí, 

I am writing to you because I am very concerned about my son. He is in a relationship with a girl for the past year now, and he is slipping away from us. She is a very controlling person.