Because something in your past life occurred on that specific day which comes back every year
You should always allow your body between 24 and 48 hours of rest between each muscle rest. This allows for the muscle to not be over worked and become injured.
The correct answer should be an offshore life jacket.
You should always have a certain type of PFD (personal flotation device) on your boat because it may happen that it can sink and then you are doomed if you don't have something to help you such as a PFD.
I think it's CARBON DIOXIDE
I am not sure.
