Players don't change drastically. Maybe they get more in form if they're a goal scorer, or they get healthier if they've been injured.
The challenge for young players is always stepping into the next level in terms of how much faster the game is.
World Cups are about winning.
World Cups aren't moments to invest in players.
You spend a lot of time as a coach going through every possible scenario. That's the kind of level of depth and versatility you have to go through. When I did that, things started to really fall into place.
When you go through a tournament of seven games, there are peaks and valleys. You kind of ride the players that are hot.