I want to test if a certain person is in love with me and hurt her feelings in the process
Why would you want to hurt her like that?
I was insulted by her and I want to spread rumors about her for humiliating me.
If you really care about her, you would not want to hurt her feelings. It seems wrong to hurt the ones that you actually care about.
I don't really understand what you are saying. Everyone gets hurt in love. I'm a little bit confused right now.
People do get hurt in love, but you're doing it on purpose as revenge and that's wrong. If she hurt you, then talk to her about it, get your feelings off your chest.