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Order and orient the keys on your keychain
The time spent getting into your home is nothing time. It isn't travel, it doesn't enrich the soul, or broaden your horizons —and unlike other parts of your commute, it is too short to be used for learning or self-reflection.
Worse still, in an emergency, when you're at your most fumble-some, this time could be critical for putting out a fire. That's why I've spent way too long thinking about the optimal arrangement of keys on a keychain, to reduce egress time to a minimum. Most people probably don't need to unlock three doors to get into their home (my situation) but the same logic should apply to any configuration of keys.
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