> you eat less food when it's particularly spicy That's unlikely. People will adjust the spiciness before adjusting their usual portions. Don't forget that hab

> you eat less food when it's particularly spicy That's unlikely. People will adjust the spiciness before adjusting their usual portions. Don't forget that habitual users will develop tolerance to capsaicin by reducing the number of receptors, so what may seem as a high level to someone may be perceived as normal by someone else.