So that brings us to another type of test that can be done which is the HbA1c test, which tests for the proportion of hemoglobin in red blood cells that has glucose stuck to it - called glycated hemoglobin.
The analogy in the classic research is when you have a toddler and you walk into a new environment and you're in a new playroom or something, and the kid at first is just glommed onto you, right?
Unless you know the person intimately or very well - that's fine, but in human nature, we don't really come and leech onto someone or sit really close to them.