I have tried to find the answer online and failed which could confirm my uniqueness to this ability. I believe I am able to release happy brain chemicals at will. I close my eyes think for 3 seconds which will take some explaining about how I think in this certain way, and then have my head and back completely tingle and contract while having an amazing feeling which lasts for 5 mins. I don’t get a headache but I feel dopy for 15 mins after I do it. It feels great and lowers my heart rate and is quite additive. But not sure if this a long term damaging thing to me. Can anyone else do this or known of this?