It might be prudent to refrain from picking up low-value cards from a specific suit if you see that your opponent has discarded a number of them, unless they are a perfect fit for your current melds. This awareness not only rummyvsaids in strategy refinement but also improves your ability to predict the moves of your opponents. Understanding your opponents is just as important in Ares Rummy as controlling your own hand. Their tactics & goals can be better understood by watching how they play. For instance, it might be a sign that an opponent is almost done with their melds and may declare soon if they routinely draw cards from the discard pile instead of the main pile.