Originally Posted by Fayerweather
I've learned that emotional reactions can become habbits. If you become accustumed to a new situation (your girlfriend having other partners) and accustomed to being ok with that situation, your brain will actually stop making connections to the chemical reactions that cause jealousy. It usually takes about 20-30 days for your brain to start differently connecting to different emotional/chemical neurotransmitters and slowly but surely, it won't be able to connect to those old painful pathways anymore like it used to. I've used meditation and awareness exercises to eliminate or decrease a lot of my old triggers from when I was monogamous. Sounds like you are doing it without even realizing
Apparently you aren't the only ones.