Consistent cold exposure practice increases brown fat and muscle efficiency, leading to feeling warmer more easily.

“so that's going to make your brown fat cells more efficient and also your muscle cells more efficient so increase mitochondria in the cells which will then generate heat very fast so if you have done this for a few times so maybe three four five times um being new to this but have tried it a few times you will notice a switch where you like feel that you get easily warmer and you can keep yourself warmer”