The biggest problem is that they are already dating, so they are already in that 'comfortable just enjoy each other's presence' phase of the relationship.
I half expected a rambling old man speach that doesn't go anywhere.
"I was taking the ferry to shelbyville, so I tied an onion to my belt, which was the style at the time. Now the ferry back in those days cost a nickel, back in those days nickels had bumblebees printed on them 'gimmie five bees...
She should start carrying around a cyanide tablet just in case something worse comes up. Being burned at the stake is the worst death...so far. But imagine if crucifixion or impalement come up.
It must be wierd, hearing someone you like right next to your ear for the first time. I think she might be on to something with the romance of not sharing contact info right away.