There are two kinds of people in this world, those that jump into a cold body of water head first, and those that dip their toe in, and then slowly take one step at a time until they are all the way in.
There are advantages and disadvantages to both:
When you jump in head first, it can sometimes be a shock to your system, but it goes away really quickly and you get to start to enjoy yourself a lot quicker. However, if it is too much of a shock to your system (ie. if it is too cold), you...