i do not remember which update it was - sorry. this time was different and i watched and listened. this can all lead to engine parts being less protected and eventually to a break down. many otherwise good-hearted americans hold this view, but few non-americans agree. studies show that ideas seldom come up when our mind is in the "central executive" mode, which is why we should intentionally carve out time to let the mind wander during the day. don’t forget that your tongue carries bacteria too and needs to be brushed from the back to the front just as often as teeth! 