"We have to do it, Dean."

"I know!" Dean snapped.

"Covid's infectious as hell," Sam continued, focusing on the road unspooling in front of them. "I know you don't want to do it, but –"

"Sammy, give it a fucking rest." Dean's voice was close to a growl. "I already said yes. Why do you have to keep hacking on about it?"

"I know, I'm sorry." Sam shook his head. "But – as many times as you've been stabbed, beaten, bitten, shot, hell, killed, I just don't get how a jab from one little needle can freak you out so bad!"