I love when another guy will show his wife or gf off to me. So if you’re the type who has a fantasy of showing her off (and more) and gets turned on see someone checking her out, lmk.
The pain of the small cage and a plug that was 2 sizes bigger than you were used to was almost too much, but the pure pleasure you were feeling from the rush of arousal was enough to keep you going forward with your training.