Well, that's an odd gift of the day, no?  Of course, David has a great explanation of the meaning and the dots that he's connected in his travels and with those he has met along his path.  While he has bonded with many, the depth of the bond between he and his new friend stands out.  Michelle's homework is incredibly important and will likely resonate with everyone - the cliche "we've all done it" applies here.  Let's just stop doing it, is her battlecry.  Find out what it is by pressing play.