In reality on the LH fleets the FO does not get to fly much, unless the Captain is feeling particularly generous! the LH fleet will be operated augmented crew and the SO is actually an FO. Just sit in business class, eat well, sleep well, do very little and get paid.. although there are " rumours" that the flight duty pay may be factored according to your actual times at the controls (or rather in the RHS).
You may be surprised how many applications they have from guys wanting to escape the sand pits. Personal choices...