He did a runner from their wedding, by legging it out the window in the toilets and texting her to say he couldn't do it. He's bu88ered off and no one knows where he is.
that show really is starting to ask us to suspend our belief from a far greater height than normal, jason was a shallow, and lighthearted young man, and suddenly he finds a reason to do this!!!!!!!!! it is so out of character, he usually needs a bird in his arms to make a mistake.