Everything here runs under consent and the ability to pause or stop — either partner, at any time, including mid-motion. In this position, stopping has an order: movement first, then untangle, then talk. If speaking up in the moment is hard — for any reason, including arousal, anxiety, or a trauma history — a pause signal agreed beforehand is a full sentence.
One position-specific injury is worth naming calmly: bending the erect penis — against a body or the bed — after a slip-out. It's rare: U.S. emergency-department data put it at about one visit per 100,000 men per year (Rodriguez et al., 2019).
Case series disagree widely on which positions appear most often — from about 10% of cases in one series (Barros et al., 2017) to half in another (Reis et al., 2014) — and in the largest review, the man-on-top and rear positions reached statistical significance while woman-on-top did not (Syarif et al., 2024).
None of that debate matters to the habit, which costs nothing: slip out → stop → re-guide with a hand → resume. Never sit back down blind.
Pain that persists, numbness that spreads, or anything that worries either of you is a clinician question, not something to position your way out of. And if finishing sooner than you'd like is a recurring weight rather than a moment, that's its own, treatable question — linked below.