My ex-wife defeated me as a man. Through the last 10 years she trained me into a horrible premature ejaculator by only letting me orgasm with minimal physique and visual stimulation. If I didn't cum immediately, my chastity sentence would be extended.
When my girlfriend bought me this cage, she told me to get used to it quickly, because I'm gonna stay in it for a long time. Well, she didn't lie about that. Months of regular use definitely shrank it quite a lot!