She's already started the sentence, she might as well finish it. "...when it caught on fire. After you jumped out to fight the other one, we crashed and it was going to explode..."

Betty can remember it as if it was yesterday. She lets go of his arm so she can use her hands to demonstrate. "I don't know how he knew what to do but he created a vacuum," Betty puts her hands together with a clap sound. "And it put out the fire before it could ignite the gas tank." Only a scientist would know to do that.

Only Bruce would have done that.