The correct option is B.
In life, it is very important that one makes good health decisions, because this is a determinant factor of how long one will live. But making good health decision is not enough, one must put in place the necessary strategies that will enable one to execute the good decisions that had been made. What works for A might not work for B, so one has to know one's self and develop methods that will make it easy for one to keep to the good decisions that has been made.
