Mom Walked In on Us Unannounced

AITA for having my mother yell at me for having intercourse with my girlfriend in MY own apartment

when we're both 26 years of age? So, I, 26 male,

live with my girlfriend, 26 female, in an apartment that I pay for. We've been together

for three years, and our relationship is great. We're both working professionals,

fully independent, and, like any normal couple, we even have an

active sex life. Enter my mother, 54 female. She's always been a little overbearing,

but since I moved out when I started dating my girlfriend, I thought things had gotten better.

Apparently, I was wrong. Last weekend, my mom came over to drop off some