oh yeah, and i am pretty sure i burned more calories riding the bike than i do when walking, even though i tend to pick the shorter, steeper paths... gresham's law i think that is - more efficient systems lead to higher overall usage
oh yeah, and i am pretty sure i burned more calories riding the bike than i do when walking, even though i tend to pick the shorter, steeper paths... gresham's law i think that is - more efficient systems lead to higher overall usage
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