Being forced into cuck [ my story]

My ex and I were together for 9 years and she wanted a open relationship I said no she got upset and cheated anyway I caught her and some things were said she told me she wouldn’t do it again this whole time she was giving me vitamins every day I didn’t think anything of it I use to be above average and never. Paid attention well 4 years went by and she started asking if I was in she couldn’t feel me and made me start using huge dildos like I mean huge and she would scream and I start cumming really fast that’s when I noticed I got quite a bit smaller she said it was ok and she wouldn’t leave she told me to take these 2 sets of vitamins it would help I believed her so I started double dosing a year later I got even smaller and started prematurely ejaculating and then she told me she gave me testosterone blockers and something else mixed with my adderol I wasn’t even mad I was so embarrassed how I never accually noticed how small I’d gotten I couldn’t feel her walls or even last a second started humiliating me. And started fucking other guys and telling me making me cum instantly then she told me so was leaving because I was too small now your stuck