i'm fairly strong, but even when in shape my muscles are undeniably and oddly flabby, something i noticed was strange and wondered about before ever hearing of "low muscle tone." when not flexed, my calves for example are sort of drippy .. hard to explain. and i am always propping myself up with my elbows, leaning against walls and poles, and that kind of thing.
i don't feel weak, just .. collapsible.
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Now a penguin may look very strange in a living room, but a living room looks very strange to a penguin.