As it happened when I was tiny I really ahrdly ever thought about it till recently.
When I was quite small, before I was 5 but I don't recal exactly when, I developed a strangulated hernia of the testes. Emergency surgery was performed and everything ended up pretty much ok.
So I grew up knowing that my fertility and function of one teste might be effected by the damage done but I've never bothered to have my sperm-count tested and clearly my body's been producing testosterone fine (stupid beard, body hair and receding hairline dammit!) and I really hardly ever thought about it.
But it occured to me, what if the surgeon hadn't have been so skilled or they had taken longer to diagnose the problem? I never would have gone through a normal natural puberty!
I wonder what my parents would have decided to do at the time? Raise me as a girl maybe? Then would I eventually crossdress as a guy the way I do as a girl now?
How different my life might have been!