Time Traveler Conversation - I'd love to go back in time and blow people's minds wtih my incredible knowledge

For those who want a translation: buddy nice cock, excellent form.

You'd need to hope you randomly stumble on a person who requires CPR.

Also that you successfully bring them back, which is an incredibly minute chance (It's more used to keep them alive until real medical help can arrive)

Or that people don't assume you're literally snapping their ribs to kill them deader.