RevisedGRthe2nd
When Isa discovered Siffrin enjoyed touch, the floodgates, while not exactly open, were still widening by the day. Gentle brushing became leaning, became handholding, became hugging, became cuddling, and after some time, Siffrin's touch-averse nature had completely dissipated. Except for... some occasions. Certain forms of touch, that Siffrin would recoil at, or flinch away from, nearly as bad as back in Dormont.
Not wanting to let this stay a mystery for long, Isa puts himself on the case, and the answer is... well, adorable.