I have a co-worker who is pretty cool and she seems to get a lot of attention from guys. Although, we’re never went on a date or had sex (obviously) I can’t help but feel jealous when guys express interest in her or interact with her. When she would go on dates, it made me upset and jealous. I recently found out that she has a boyfriend and now I’m very jealous. Last night, I spent over an hour trying to find information on the internet about this guy. She I kept questioned her about him and their relationship, she got defensive.
Why am I jealous?