By carefully tracking the cards they are picking up and discarding, you can strategically discard cards that are likely to benefit them, or hold onto cards thatholi rummy they may need in order to complete their sets and runs. This can force them to rethink their strategy and give you an advantage in the game. Overall, the importance of observing your opponents in Rummy cannot be overstated, as it is a key factor in making informed decisions and gaining an edge over your competition.