Also called: Loop of environment · Adaptation loop · Response loop · Loop of adaptation

Where on the hand: On the Mount of Venus close to the thumb, high on the ball of the thumb.

What it looks like: A loop of skin ridges lying against the thumb side of the Venus mount.

Read as a quick, almost reflexive responsiveness to surroundings — to a room's mood, to weather, to other people's states, and to danger. Sources treat it as double-edged: the person adapts easily and reads a situation fast, but is correspondingly at the mercy of the environment they are placed in.