The in-form Barcelona forward says the national team's morale could not be better going into the tournament and reflected on how fatherhood has changed him.
Alejandro Sabella’s side are amongst the favorites to win the tournament on its home continent, and the Barcelona striker accepts that anything is possible.
"Obviously the World Cup is a dream and a goal. We know that anything is possible, but we try to progress little by little,"
he told TyC Sports. “At the national team we have a solid group of friends. Some of us have known each other since we were little kids. That's something good. We enjoy playing together as a team".
Messi has been in India for a commercial contract and said the support he has received in the country has been overwhelming.
“It is crazy being in India and having people still around our hotel at 4 a.m." he said. “I really appreciate the love fans show me. I try to give them my time but sometimes that is impossible."
The 26-year-old also discussed how becoming a father to his son, Thiago, has changed his life away from the pitch.
"Being a dad has put football in second place – when you are a parent everything changes,” said Messi.
The forward has been hitting form as the season reaches its decisive stage, having scored 13 goals in his last 11 Barca matches.
Argentina drew 0-0 with Romania earlier this month and is in World Cup Group F against Nigeria, Iran and Bosnia-Herzegovina.