It was neutral, impassive and even, after a while, strangely companionate and reassuring, although I did notice that its calm exterior sometimes slipped and that it occasionally mirrored my own unexpressed emotion.
Era neutral, impasible e incluso, después de un rato, extrañamente sociable y tranquilizadora, aunque me di cuenta de que su exterior tranquilo a veces resbalaba y que ocasionalmente reflejaba mi propia emoción inexpresada.