A lot of mouth bacteria lives on your tongue. Any dentist will tell you that cleaning your tongue is an important part of oral hygiene, even though it’s often overlooked. Doing it really helps with keeping bad breath under control and generally healthier teeth.
A YoY inflation rate of ~10% is most assuredly not natural in most of the developed world. I fully understand why it happened, but that serves no justification for the negative impact on the lives of the majority of the population.