twistedtorture: if you follow the paintbrush with your eyes while not moving your head, it forces you to use emdr which is a therapeutic technique to calm anxiety/panic. watching fish swim causes the same effect. I don’t have a favorite post on Tumblr,
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from: https://six-times-septi.tumblr.com/post/77920458520
recommended: six-times-septi tumblr, Ribcage #theskateloveforever RileyReid theskybrat RingGag