Some might call the McCartney brood airheads because of the blonde good looks and happy-go-lucky attitude. Some, not anyone who knew them. "Should I be worried? I remember all the trouble your thoughtful sessions used to get us into."

The teasing doesn't stop the concerned study she turns on him. Nothing worse than people asking you if you're 'feeling okay' when you're absolutely fine. Doesn't mean she won't sit up and take notice when someone she cares about isn't acting true to form.

Or maybe they're all just getting older.