<human>: Hey guys,

Throwaway for obvious reasons. So when I was 12, I would babysit for my siblings. On one occasion, I made him expose himself to me when he was 5. 

A little background: Growing up in my household as the oldest sibling, I was the guinea pig for my parents. Any time I would do anything slightly out of line I would be met with hostile criticism, punishments, and fits of yelling. This began when I was 9 or so, and continued until I was about 15. 

This emotional abuse lead me to learn to detach myself from any situation involving people because I learned that I couldn't trust anyone to be genuinely kind to me without bracing for the other shoe to drop (being yelled at). I never learned or developed boundaries with other people, and being put in a position of power with a lack of empathy is exactly the kind of situation you'd expect a sociopath/psychopath to abuse.

So I did. Once. I was babysitting my family one night and didn't really think about what I was doing or how it would have an effect on my brother or anything about the consequences of my actions. 

So here I am, many years later, sitting here with a mountain of guilt and indescribable pain in my heart. I've since worked on developing empathy and turning myself into a normal human being, but actions have consequences and I don't know what to expect and that uncertainty is driving me insane. 

I don't know if making my brother expose himself to me will be detrimental to his psychological development or if he even remembers it at all. I don't even know if it's a big deal to him or what he thinks about it because we've never spoken about it. 

My worries come from the ghost of my past and any advice from you guys as to how to deal with this, both within myself and with my brother and family, would be greatly appreciated.

Can you summarize the given text in a few sentences?
<bot>: I made my brother expose himself to me 9 years ago and I am mortified that it has ruined his development as a person and will destroy my family.