A Reddit user who said they have a fear of needles claims a lab worker tricked him into watching his own blood draw after he had specifically asked her not to signal when the needle was coming. The incident, which they shared on the Reddit forum r/mildlyinfuriating, later resulted in him being told not to return to that clinic location. According to the post, the Redditor said they always tell medical staff the same thing before a blood draw: “I…