Earlier this fall, Christina Huynh took her first vacation in who-knows-how-long, a dreamlike Alaskan cruise and a joyful California wedding trip. Now she wants to do it again, and again. And she wants to cradle her new grandchild in peaceful retirement. If that means closing the iconic Fort Lauderdale restaurant that some call a vacation in itself — a place to spend Christmas, Thanksgiving and other precious life moments — then so be it.