She tries to inflate the balloons for the holiday, but she doesn't really succeed, the balloons are very tight. Her girlfriend noticed that when she inflates the balloons, the veins that she would like to touch are not very clearly visible. She didn't mind it, and when she inflated the balloons, her girlfriend admired her neck and especially the veins. Her girlfriend smeared her neck with oil, and also squeezed it with her hands and a wire, so that the veins were even more noticeable