I remeber when my mom went through that with my older brother. Don't worry tho... they get over it pretty quick. Luckily when I left for college she was used to it and there were no tears for me to deal with
On another note.... I am sure you will have the time of your life while you are away from your parents. Just remember to get your school work done before all else. I doubt you will have any trouble tho considering you have been running a business for a while now.... Good Luck