Form many years a dom, with for some time my own dungeon - safe, sane and consensual at all times. My guests were mostly men, but a few memorable ladies also.
Over time, I became more and more curious as to the nature of the satisfaction that so many of my guests obviously felt, and expressed, so I eventually took the plunge of switching. Painful, of course - but revealing, and fascinating.
Nowadays my main role is as voyeur! Sometimes, narrator...