One week to go till my 3 month progress check - am looking forwards to it.
I'm not sure about terminating or extending, as I wrote earlier, but a new thought that occurred to me is that of making use of some anal urges that have been arising. perhaps I will have an orgasm, but only an anal one. I might not be able to do this (even in my current state), so I could choose to convert the chastity period into one of penile chastity - i.e. no orgasms for me unless it is induced anally. We will see!