The context of the following conversation is Addison heard about the multi car pileup on the freeway and worried until she found her family at home safe.:
Addison says I heard about that big, multi car wreck on the freeway this afternoon when I knew that Rob and the kids were supposed to be in that area..
The friend responds Gosh, you must've been worried, huh?.
Addison responds Definitely. My heart was in my throat all the way home from work..
The friend responds Did you try to call him?.
Addison responds Yeah, but he didn't answer. I was so relieved when I pulled into the driveway and found them all safe at home..
The friend responds That must've been the biggest relief. I'm glad everything was okay..