How Long is Too Long in Chastity?

The mental game of chastity is just as intense as the physical, and once that cage is locked, everything changes—suddenly, the keyholder has all the power, and every little tease feels a hundred times stronger. I found that using a little baby oil inside the cage helps with comfort, especially for long-term wear, since it stops chafing without being too slick. But when it comes to control, what’s the longest someone has kept you locked, and how did it change things for you?