The man on the right was from Colombia, and therefore not a...

The man on the right was from Colombia, and therefore not a native English speaker. He couldn’t tell me much about himself, so I started speaking to the man on the left about his newborn daughter. 

"What’s been the biggest surprise of having a child?" I asked.
"How easy it is," he said. "We were worried about what kind of parents we’d be. But having a child was easy. It was second nature to us. Like swimming." 

At this point the Colombian man looked very concerned. He scrunched up his face, and said: “Your wife have birth in swimming pool!?”