Understood, figured it was something like that but I have heard of people staying on to boost their testosterone levels. There are side effects from long term use that out weigh the small benefits for bbers.
Anyways, it is definitely the tamoxiphen. Tamoxifen is a cause of fatty liver, also known as steatorrhoeic hepatosis. Tamoxifen can also cause a rapid increase in triglyceride concentration in the blood. Here's a paper on the matter...
http://www.expertopin.com/doi/abs/10...14740338.6.1.1
My advice is get off the stuff now. There is no need to be on it that long, also in the future, incorporating an AI alnog with it will minimize the increase in triglyerides and help with the "fatty liver". Good Luck!