Letter to a Dating Young Woman

Dear Friend, So, youre dating.  I heard hes a pretty cool guy, and easy on the eyes too.  Oh, and hes on the soccer team, and he gets good grades, huh?  I bet you love hanging out with him.  Those dating years are so much fun.  So, are you going to marry him? Say what?!  Yeah, I know.  Youre only 16 (or maybe 18 or 21).  Way too young to think about getting married, right?  Wrong.  You may not be old enough or mature enough actually to get married yet, but youre old enough to think about...