When I first started playing, I would always hold 1 pair if there was a face card involved. After much practice, I realizd that I should keep both. Since I've started keeping both pairs, I really seem to get more full houses.

One thing though, I never keep both pairs if one is an aces pair.

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"Racism is man's gravest threat to man - the maximum of hatred for a minimum of reason." - Abraham Joshua Heschel