I didn't know all foreign flights had to be round trip. (I've never tried to book one way, although there are places I would have considered staying a while)
I have no idea when he began college. As a January baby, he probably didn't begin school until he was seven years old.
"I didn't know all foreign flights had to be round trip"
??? they don't. my son just flew home to Ohio from Sweden two days ago on a one way ticket.