If you really needed to you could double dose on a cheeseburger at the airport before leaving depending on the time of day. I noticed English families going for the full English breakfasts before making their way to the departure lounge as if it was going to be the last.
I don't profess to know all about Cuba but it wasn't as bad as I had expected it to be. If I had opted for Jamaica I think I would have been more ill at ease with street shootings and things like that although I love the music. My dream has always been to do that trip but my sensible head tells me no.
Wonder what will happen when Fidel and Raoul are gone? They must have plans in place for when it happens.