Many people think poker is a game of chance, but it actually involves quite a bit of skill and psychology. Especially when you introduce betting, it becomes a lot more about risk management than just getting a good hand of cards. There is no such thing as a sure thing in poker, so being able to make decisions under uncertainty is a valuable skill for any area of life.
One of the first things you learn as a poker player is how to read your opponents. This includes subtle physical poker tells as well as noticing patterns in how they behave and what type of hands they play. Being able to understand how a player plays is the key to being able to win pots.
Another thing you learn when playing poker is how to calculate odds on the fly. This is a vital part of the game and helps you evaluate a hand before making a decision to call or fold. It also helps you when determining how much to raise your own bet. As you play more, probability and EV estimation will become more natural to you.
Finally, one of the most important lessons you learn when playing poker is how to deal with failure. It is critical to be able to bounce back from losses and to not try to recover them by throwing more money at a bad hand. This is a crucial aspect of life and can be applied to other areas such as finance or investing.