It's a scene so ordinary it's hard to imagine how fragile it is. And how quickly a diagnosis would shift everything . Whenever I call Gabi, it's often in moments like this, with her kids giggling on the other side of the line. "Go watch 'Paw Patrol' with your brother. I'm making us something to eat." " Shhhh, babe. Mommy's on the phone." "I love you, too." Gabi's last few years have been a whirlwind — a surprise pregnancy, cancer at 35 , treatment, recovery, motherhood, marriage, work , and an