Because rummy is a fast-paced game, picking up & discarding multiple cards every turn can quickly become overwhelming. On the other hand, maintaining composure and concentrationavitor hack will help you think more clearly and decide wisely. Getting Used to Changing Situations. Being flexible in the face of changing conditions is another essential component of cultivating a winning mindset. The cards in your hand fluctuate while you play rummy, so you have to quickly assess your hand and decide which cards to keep and which to discard.