I've been looking at the meaning of 'chastity', and there are 2 main usages: the religious aspect, and 'orgasm denial' aspect.
It seems that in the BDSM world, the use of a chastity device and periodic teasing and/or milking is also called chastity.
I'm going to adopt the BDSM term, I feel comfortable with it, even though I don't use a device.
So... 'I'm in chastity now!'. It sounds good to me, almost joyful. In fact, I would be upset to orgasm, even though I often come close. In around 2 weeks, I reach 3 months, and am getting hot thinking about the decision I will make then. To orgasm, or to extend the time?