You can learn a lot about your opponents' tactics and goals by keeping an eye on the cards they are picking up and discarding. For example, if an opponent regularly draws cards from the discard pile staakigthat belong to a particular suit or rank, it might mean that they are trying to finish a certain meld or set. You can use this information to guide your own choices regarding which cards to keep or throw away. Also, knowing how your opponents play can help you predict their next move. A more cautious approach may be adopted by some players, while others may be aggressive and quick to form melds.