Robin Williams said " Its not the end of the world, but you can see it from there."
As I arrived home and Millie my 3 year old ran toward me so excited, that was a good moment. Saying good bye to my mother in England or to all the people who visit as they return home. Or hearing that close friends or relatives are ill or going through hard times, that's hard. You do have to have a serious control on you emotions to hold it together.
So do take into account your ability to handle the strength of that kind of emotion. It can and will effect the ability for you to make a real success of the whole experience.