It isn't just the chastity cage. That would be bearable if it were all he had to endure. Instead, it is daily beatings, abject slavery and constant bondage.
No one else understands you. No one else makes you feel like this. Makes you feel whole, accepted, encouraged. No one else pushes you like I do. No one else motivates you like I do. I am all you need. I'm everything you desire.