The author (right) will welcome her son back home from college for the summer. Courtesy of Pauliana Lara My son is returning home for the summer after his freshman year at college. Even though he had a lot of freedom at college, I will still reinforce all my house rules. I'm nervous that he won't be happy at home with the rules, but I know it's for the best. I am a single mom to two pretty cool kids. Together, we are a tight-knit unit. That's why when my son got into college, which was only t