GF’s Sister Teases and Edges Me Until the Line Blurs

It started with harmless teasing—edging games that danced on the edge of control. My girlfriend’s sister knew every trick, pushing limits without crossing them, until one night it ended in a creampie neither of us planned. Sex therapist Dr. Laurie Betito explains this buildup taps into dopamine-driven tension, a pattern seen in real confessions on Reddit’s relationship forums. A 27-year-old user described a similar slip after weeks of flirtation. This isn’t just a story—it’s the messy reality of boundaries tested too far. Dig into the details most shy away from.