I realized that the saddest part of teaching is when the school year ends. Although ours is not done yet and we are having rotation to different grade levels, I can still feel the emotional part of being a classroom adviser. Back before, I don't believe certain posts about the saddest part of student teaching is when it's over and you will never see your students again in that classroom. Aaaack I hate feeling this way, but the fourth quarter will almost end probably on the…