When my first child left for UM, I wavered between giving her space to find her way and wanting to hear all about her life at college. I had such a wonderful college experience myself, I toggled between exuberant excitement for her and overwhelming sadness for me.
If two nights and two days can make your head spin, these might be the two. It’s not a bad thing, of course; it is just the amount of information can get a bit overwhelming. They need to orient themselves to their new life.