Ok, since I was a child and until today, I can create this feeling that generally feels strongest in my core, right around where my diaphragm is. But, when I focus on different parts of my body I can "distribute" part of the intensity to that particular area, be it my foot or my hands or my thighs, etc. It is this powerful tingling sensation, it feels really good and if I sustain it for 4 seconds, it can become VERY strong. I can hold it for as long as I please but it gets gradually more diff