Oh, the 'selfish' thing!
We really do need to ask how our altering our private parts could possibly ruin the lives of anyone not sexually intimate with us, even if only to ourselves. Could someone else really have so much of their self-worth wrapped up in the contents of our pants, or are they selfishly trying to control us?
I had to deal exactly with this, and thinking it through revealed much I had not faced about others. I finally had to face reality, and admit that putting the mere discomfort of others, their fear of possible embarrassment really, before my own sanity and survival was a poor choice.
Once I admitted that to myself, I was able to move forward, and my life has improved immeasurably since then.