Hey jst a quick easy question.. boat is gonna be sitting for about three weeks to a month, do I need to do anything with it or just let it sit?? its a merc 5.0mpi with alpha 1 Gen 2. All the fluids are good, weather is nice and it has already been takin out at least 5 times. gas is low should i fill it up and put stabil or does that not matter? Thank yas