It stings like a slap to the face but deep down it isn't shocking, just hurtful. If the thinks about it it's been a long time since he was in love with Jack, it just took him longer to let go. He honestly can't remember the last time he told him he loved him. There doesn't really seem much point in arguing that.
"Inflexible? If that was true I'd have ended this years ago like I should have!" Maybe not true. There was a lot of good over those years but right now he's too angry to remember those parts. "Instead I just put up with you treating me the same way you did back in Cardiff, like I was convenient enough for you until you found somebody better."