I found that for some students first impression can really motive them when going over the sllybus especially if games are involved but,you still have to deal with negative adgitators theirs always one,which starts another student.(adults)I know Some students that do this can be unhappy and wants someone eles to be unhappy with them ( misery love company )how do you nip this in the bud before it get rooted and still give a great first impression .