["I drank some of my mother's rum a few years back and I still feel bad about it, especially since she found out and scolded me for it."]
Oh no! That stuff is no good, did you have fun or was it more of a mistake? Haha.
A few years back, I drank some of my mother's rum and didn't ask her. She found out and scolded me for it and it made me feel bad.