@IrishDan and wolfscars, thanks so much for the comments.  I'm confident that I will be disciplined and give it the full 13 weeks.  I just think I needed that quick expert analysis that wasn't horribly pessimestic to convince me it's worth trying, so I definitely will!

@Marcehhh, thanks man! I have seen the show and that character but you're the first person to tell me I resemble him image  I always thought Jack looked like Jon Snow from Game of Thrones, but maybe it's just the hair.  Anway thanks again for the shout