When this happened to me, I was 22. I was in my aunt's house studying for my MSc. There was only me, my bua, and the man I called my "phupha" lived in that house. This man was always very sweet to me, he took care of me.
One day my cousin (bua's daughter) got sick and bua had to go to her house to take care of her. This left me and my phupha alone in his house.
Once when I was taking a bath, I suddenly noticed somebody watching me through the ventilator.
I was horrified because I was pretty sure those eyes were of my phupa's. My mind stopped working. I just came out out of the bathroom, packed my bags and immediately left the house to go back home. Phupha asked me what had happened, acting as if he didn't know anything. But I did not reply to him and left his filthy house.
After that day my belief in men was totally broken. Uncountable nights I did not sleep thinking about that incident. Totally broken but I have not shared this story with anyone because I don't want my family to break their relations with him and my bua.