He gets into plenty of real trouble physically. But he's more resilient than a cockroach.

[ neither of them know luffy needed life saving surgery after being hit by magma. but ace seems confident luffy is okay! this is partially because robin said luffy talked about him and ace was like WHILE I WAS ALIVE? FAKE ]

... His crew'll be there for him. I'm sure of it. I entrusted him to them, after all.