Sixshot's hand is massive compared to his own, he could crush it just by curling his fingers in too tight, but First Aid slides his palm into the other mech's and rests it there.

"I expected more scars," He teases, rubbing his fingers against Sixshot's palm. "How handsome... If the life support fails, got something nice to think about as I..."

Facts of life here. He knows he's not strong enough to be off the machines keeping him alive, even if he had consciousness now.