When an opponent is waiting to pick up high-value cards for their own melds, it can backfire to discard them early in an attempt to get quick wins. Instead, think abdivine slotsout keeping cards that could complete your own sets or runs and discarding lower-value cards that are less likely to assist others. In rummy, paying close attention to opponents can reveal important details about their plans and tactics. What melds they are attempting to form can be inferred from the cards they draw and discard.