This is really an odd post here, probably. For a long time, I've been on a constant-dosage regimen of estradiol with finasteride until I became post-orchie 10 years ago, and then for the last 10 years, I was on a constant-dosage regimen that was slightly lower and minus the finasteride. That totals over 18 years. I had SOME breast development and feminization, but in recent years, something has not been right. I lost some development, and I suspected recently that I had developed estrogen insensitivity.
I changed to an estrogen-cycling regimen on August 7 this year. Later on, I added in progesterone mid-cycle on October 16th, and cycling that as well. Just from cycling the estrogen in the first two cycles, I noticed a lot more tenderness than I ever have experienced before (painful, and sometimes itchy), and growth took off again. By the middle of the third cycle, I realized that I had more breast development than before, so this is new to me. I will keep posting from time to time what is happening, as I may have stumbled on the physiological puzzle piece that completes the HRT picture for transwomen. At least for me, it's working. It also has impacted my daily experience of life in a very positive way. Now that I've cycled the estrogen through 3 cycles, I don't seem to notice a mental change as a result of the rising and dropping levels of estrogen. I will need more time to see for sure.