John immediately retracts his arm when Aeryn glances his way. Sometimes she scares the crap out of him, though he'll never say so to her face. Nope, never.

"Uh." He shakes his head, returning to the doctor. "No. No conditions. I was cleared for space by the best docs in Texas and Florida. But, uh. If anything does happen with Aeryn, let me handle her before you sic the Klingon warrior on her? I don't know if they'd kill each other or become best friends, but either option is terrifying."