I know about Zoebess's knowledge on the matter. Don't worry, I didn't mean it to be an argument. It's just my experience doesn't provide enough information to make a more informed observation.
Funny that you say I have to cook foods with saucepan, but I don't need to, cause I use a lot of cayenne pepper, hot spices etc in my steamed, slow cooked food etc. The hot spices provides me enough yang energy to balance the rest of the body energy.
Read below my reply to Zoebess which contains the result of the muscle testing I did.